Connecticut (CT), USA is covered by the area code 203 and some of the major locations are Bridgeport, New Haven, Stamford, etc (see list of cities below).
Overlay complex 203/475 (in which overlay area codes cover the same geographic area) includes area code 203, which has been in service since 01 January 1947.
Current time in Eastern time zone is 03:40:02 PM (area code 203).
203 Area Code Phone Lookup
Map of area code 203

Nearby to the 203 Area Codes
you’re probably always looking location map, cities, time zone, overlay codes, reverse phone lookup and related info. Well, one easy way to do that is by knowing your nearby area codes. That way, you don’t have to fumble through your phone’s keypad each time you want to make a call. Plus, it can come in handy when trying to find out where someone is calling from. So without further ado, here are the area codes for some of the most popular U.S. cities!
840 area code – Map, Phone Lookup, Time Zone
208 area code – Map, Phone Lookup, Time Zone
List of 203-NXX Prefixes and Corresponding Locations
We all know our location by its name and zip code, but do you know your city’s postal prefix? Chances are, unless you work for the post office or are extremely interested in the subject matter, you don’t. But prefixes play a critical role in how mail is sorted and delivered, so it’s important to be aware of them. This blog post will take a closer look at what prefixes are and their corresponding locations. Stay tuned!
Are you curious about the prefixes and corresponding locations of the area code 203? This infographic is a great place to start. It provides an overview of 203 area code, including its name, prefixes and date. The infographic also includes a map that shows the location of each area code. this guide is sure to come in handy. Enjoy!
NPANXX | Area served | Date |
---|---|---|
203-200 | New Haven | 8/14/2008 |
203-201 | New Haven | |
203-202 | Darien | |
203-204 | Guilford | |
203-205 | Danbury | |
203-206 | Waterbury | |
203-207 | Danbury | |
203-208 | Branford | |
203-209 | Bridgeport | |
203-210 | Wilton | |
203-212 | Bridgeport | 10/23/2008 |
203-213 | Meriden | |
203-214 | New Haven | |
203-215 | New Haven | |
203-216 | Westport | |
203-217 | Waterbury | |
203-218 | Bridgeport | |
203-219 | Stamford | |
203-220 | Trumbull | |
203-221 | Westport | |
203-222 | Westport | |
203-223 | Stamford | |
203-224 | Bridgeport | |
203-225 | Huntington | |
203-226 | Westport | |
203-227 | Westport | |
203-228 | Waterbury | 10/4/2002 |
203-229 | Norwalk | |
203-230 | New Haven | |
203-231 | Ansonia/Derby | |
203-232 | Waterbury | |
203-233 | Waterbury | |
203-234 | New Haven | |
203-235 | Meriden | |
203-236 | Waterbury | |
203-237 | Meriden | |
203-238 | Meriden | |
203-239 | New Haven | |
203-240 | Danbury | |
203-241 | Danbury | |
203-242 | Huntington | |
203-243 | Bridgeport | |
203-244 | Ridgefield | 3/28/2003 |
203-245 | Madison | |
203-246 | Norwalk | |
203-247 | Norwalk | |
203-248 | New Haven | |
203-249 | Stamford | |
203-250 | Cheshire | |
203-251 | Stamford | |
203-252 | Stamford | |
203-253 | Stamford | |
203-254 | Fairfield | |
203-255 | Fairfield | |
203-256 | Fairfield | |
203-257 | Bridgeport | |
203-258 | Bridgeport | |
203-259 | Fairfield | |
203-260 | Bridgeport | |
203-261 | Trumbull | |
203-262 | Woodbury | |
203-263 | Woodbury | |
203-264 | Woodbury | |
203-265 | Wallingford | |
203-266 | Woodbury | |
203-267 | Woodbury | |
203-268 | Trumbull | |
203-269 | Wallingford | |
203-270 | Newtown | |
203-271 | Cheshire | |
203-272 | Cheshire | |
203-273 | Stamford | 10/22/2002 |
203-274 | Stamford | |
203-275 | Bridgeport | |
203-276 | Stamford | 3/28/2003 |
203-277 | Old Greenwich | 4/16/2003 |
203-278 | Ansonia/Derby | 5/1/2001 |
203-279 | Bridgeport | |
203-280 | Darien | 3/24/2004 |
203-281 | New Haven | |
203-282 | Stamford | |
203-283 | Milford | |
203-284 | Wallingford | |
203-285 | New Haven | |
203-286 | Norwalk | |
203-287 | New Haven | |
203-288 | New Haven | |
203-289 | Danbury | |
203-290 | Bridgeport | 11/14/2013 |
203-291 | Westport | |
203-292 | Fairfield | |
203-293 | Westport | |
203-294 | Wallingford | |
203-295 | Norwalk | |
203-296 | Bridgeport | |
203-297 | Danbury | |
203-298 | New Haven | |
203-299 | Norwalk | |
203-300 | Danbury | 10/25/2001 |
203-301 | Milford | |
203-302 | Greenwich | |
203-303 | Wallingford | |
203-304 | Newtown | |
203-305 | Ansonia/Derby | |
203-306 | Milford | |
203-307 | Fairfield | 1/31/2005 |
203-308 | Ansonia/Derby | 10/22/2008 |
203-309 | Darien | 9/11/2007 |
203-310 | New Canaan | 4/16/2003 |
203-312 | Danbury | |
203-313 | Danbury | |
203-314 | New Haven | |
203-315 | Branford | |
203-316 | Stamford | |
203-317 | Meriden | |
203-318 | Madison | |
203-319 | Fairfield | |
203-320 | Darien | 4/16/2003 |
203-321 | Stamford | |
203-322 | Stamford | |
203-323 | Stamford | |
203-324 | Stamford | |
203-325 | Stamford | |
203-326 | Stamford | |
203-327 | Stamford | |
203-328 | Stamford | |
203-329 | Stamford | |
203-330 | Bridgeport | |
203-331 | Bridgeport | |
203-332 | Bridgeport | |
203-333 | Bridgeport | |
203-334 | Bridgeport | |
203-335 | Bridgeport | |
203-336 | Bridgeport | |
203-337 | Bridgeport | |
203-338 | Bridgeport | |
203-339 | Bridgeport | |
203-340 | Greenwich | 8/19/2003 |
203-341 | Westport | |
203-342 | Bridgeport | |
203-343 | Ansonia/Derby | 1/18/2012 |
203-344 | Old Greenwich | |
203-345 | Bridgeport | |
203-346 | Waterbury | |
203-347 | Byram | 3/11/2004 |
203-348 | Stamford | |
203-349 | Westport | |
203-350 | Madison | |
203-351 | Stamford | |
203-352 | Stamford | |
203-353 | Stamford | |
203-354 | Norwalk | |
203-355 | Stamford | |
203-356 | Stamford | |
203-357 | Stamford | |
203-358 | Stamford | |
203-359 | Stamford | |
203-360 | Bridgeport | 12/10/2008 |
203-361 | New Haven | 12/16/2010 |
203-362 | Bridgeport | |
203-363 | Stamford | |
203-364 | Newtown | |
203-365 | Bridgeport | |
203-366 | Bridgeport | |
203-367 | Bridgeport | |
203-368 | Bridgeport | |
203-369 | Old Greenwich | 10/7/2003 |
203-370 | New Haven | |
203-371 | Bridgeport | |
203-372 | Bridgeport | |
203-373 | Bridgeport | |
203-374 | Bridgeport | |
203-375 | Bridgeport | |
203-376 | New Haven | |
203-377 | Bridgeport | |
203-378 | Bridgeport | |
203-379 | Meriden | |
203-380 | Bridgeport | |
203-381 | Bridgeport | |
203-382 | Bridgeport | |
203-383 | Bridgeport | |
203-384 | Bridgeport | |
203-385 | Bridgeport | |
203-386 | Bridgeport | |
203-387 | New Haven | |
203-388 | Stamford | |
203-389 | New Haven | |
203-390 | New Haven | 11/10/2015 |
203-391 | Stamford | |
203-392 | New Haven | |
203-393 | New Haven | |
203-394 | Bridgeport | |
203-395 | Bridgeport | |
203-396 | Bridgeport | |
203-397 | New Haven | |
203-398 | Norwalk | |
203-399 | Stamford | |
203-400 | Trumbull | 2/19/2002 |
203-401 | New Haven | |
203-402 | Huntington | |
203-403 | Ridgefield | |
203-404 | New Haven | |
203-405 | Woodbury | 4/4/2001 |
203-406 | Stamford | |
203-407 | New Haven | |
203-408 | Redding | |
203-409 | Old Greenwich | |
203-410 | New Haven | |
203-412 | New Haven | |
203-413 | Greenwich | |
203-414 | Bridgeport | |
203-415 | New Haven | 4/12/2001 |
203-416 | Bridgeport | |
203-417 | Danbury | |
203-418 | Fairfield | |
203-419 | Waterbury | |
203-420 | Meriden | |
203-421 | Madison | |
203-422 | Greenwich | |
203-423 | Wilton | |
203-424 | Darien | 6/29/2007 |
203-425 | Stamford | |
203-426 | Newtown | |
203-427 | Meriden | |
203-428 | Stamford | |
203-429 | Westport | |
203-430 | New Haven | |
203-431 | Ridgefield | |
203-432 | New Haven | |
203-433 | Branford | |
203-434 | Norwalk | |
203-435 | New Haven | |
203-436 | New Haven | |
203-437 | Waterbury | |
203-438 | Ridgefield | |
203-439 | Cheshire | |
203-440 | Meriden | |
203-441 | Wolcott | |
203-442 | New Canaan | |
203-443 | Meriden | |
203-444 | New Haven | |
203-445 | Trumbull | |
203-446 | Ansonia/Derby | |
203-447 | Huntington | |
203-448 | Danbury | |
203-449 | Bridgeport | |
203-450 | Bridgeport | 5/12/2008 |
203-451 | Westport | |
203-452 | Trumbull | |
203-453 | Guilford | |
203-454 | Westport | |
203-455 | Bridgeport | |
203-456 | Danbury | 12/6/2011 |
203-457 | Guilford | |
203-458 | Guilford | |
203-459 | Trumbull | |
203-460 | Danbury | |
203-461 | Stamford | |
203-462 | Stamford | |
203-463 | Seymour | |
203-464 | New Haven | |
203-465 | Waterbury | |
203-466 | New Haven | |
203-467 | New Haven | |
203-468 | New Haven | |
203-469 | New Haven | |
203-470 | Danbury | |
203-477 | New Haven | |
203-479 | New Haven | |
203-480 | Fairfield | |
203-481 | Branford | |
203-482 | Danbury | 3/23/2001 |
203-483 | Branford | |
203-484 | Branford | |
203-485 | Greenwich | |
203-486 | Woodbury | |
203-487 | Stamford | 1/3/2001 |
203-488 | Branford | |
203-489 | Greenwich | 5/25/2011 |
203-490 | Naugatuck | |
203-491 | Newtown | 2/12/2010 |
203-492 | New Haven | |
203-493 | Georgetown | |
203-494 | New Haven | |
203-495 | New Haven | |
203-496 | Greenwich | |
203-497 | New Haven | |
203-498 | New Haven | |
203-499 | New Haven | |
203-500 | New Haven | 10/25/2001 |
203-501 | Danbury | 7/9/2010 |
203-502 | Bridgeport | |
203-503 | New Haven | |
203-504 | Stamford | 2/12/2004 |
203-505 | Norwalk | |
203-506 | New Haven | |
203-507 | New Haven | |
203-508 | New Haven | 2/3/2005 |
203-509 | Waterbury | |
203-510 | Waterbury | |
203-512 | Danbury | |
203-513 | Huntington | |
203-514 | Meriden | |
203-515 | Norwalk | |
203-516 | Ansonia/Derby | |
203-517 | Stamford | |
203-518 | Waterbury | 7/2/2001 |
203-519 | Waterbury | 2/9/2011 |
203-520 | Bridgeport | 5/30/2002 |
203-521 | Bridgeport | |
203-522 | Bridgeport | |
203-523 | Norwalk | |
203-524 | Stamford | |
203-525 | Waterbury | |
203-526 | Bridgeport | |
203-527 | Waterbury | |
203-528 | Waterbury | |
203-529 | Wilton | |
203-530 | New Haven | |
203-531 | Byram | |
203-532 | Byram | |
203-533 | Guilford | |
203-534 | Bridgeport | |
203-535 | New Haven | |
203-536 | Stamford | |
203-537 | Meriden | |
203-538 | Huntington | |
203-539 | Stamford | |
203-540 | Bridgeport | 1/31/2005 |
203-541 | Stamford | |
203-542 | Greenwich | |
203-543 | Bridgeport | |
203-544 | Georgetown | |
203-545 | Bridgeport | |
203-546 | Danbury | |
203-547 | Stamford | |
203-548 | Stamford | 5/30/2002 |
203-549 | Bridgeport | |
203-550 | Stamford | |
203-551 | Bridgeport | |
203-552 | Byram | |
203-553 | New Haven | |
203-554 | Stamford | |
203-556 | Bridgeport | |
203-557 | Westport | |
203-558 | Waterbury | |
203-559 | Darien | |
203-560 | Waterbury | |
203-561 | Stamford | |
203-562 | New Haven | |
203-563 | Wilton | |
203-564 | Stamford | |
203-565 | Waterbury | |
203-566 | Stamford | 2/4/2003 |
203-567 | Huntington | |
203-568 | Waterbury | |
203-569 | Stamford | |
203-570 | Stamford | 3/26/2001 |
203-571 | Westport | |
203-572 | Bridgeport | 7/13/2007 |
203-573 | Waterbury | |
203-574 | Waterbury | |
203-575 | Waterbury | |
203-576 | Bridgeport | |
203-577 | Waterbury | |
203-578 | Waterbury | |
203-579 | Bridgeport | |
203-580 | Byram | 10/2/2012 |
203-581 | Bridgeport | |
203-582 | New Haven | |
203-583 | Bridgeport | |
203-584 | New Haven | 7/9/2010 |
203-585 | Stamford | |
203-586 | Woodbury | |
203-587 | Georgetown | |
203-588 | Stamford | |
203-589 | New Haven | |
203-590 | Trumbull | 3/18/2011 |
203-591 | Waterbury | |
203-592 | Waterbury | |
203-593 | Norwalk | |
203-594 | New Canaan | |
203-595 | Stamford | |
203-596 | Waterbury | |
203-597 | Waterbury | |
203-598 | Waterbury | |
203-599 | Meriden | |
203-600 | Meriden | 10/3/2008 |
203-601 | Trumbull | |
203-602 | Stamford | |
203-603 | New Haven | |
203-604 | Norwalk | 3/14/2001 |
203-605 | New Haven | |
203-606 | New Haven | |
203-607 | Stamford | 2/4/2003 |
203-608 | Meriden | |
203-609 | Stamford | |
203-610 | Bridgeport | |
203-612 | Bridgeport | |
203-613 | Norwalk | |
203-614 | Stamford | |
203-615 | Bridgeport | |
203-616 | Danbury | |
203-617 | Danbury | 9/5/2006 |
203-618 | Greenwich | |
203-619 | New Haven | |
203-620 | Darien | 7/19/2004 |
203-621 | Darien | |
203-622 | Greenwich | |
203-623 | New Haven | |
203-624 | New Haven | |
203-625 | Greenwich | |
203-626 | Wallingford | |
203-627 | New Haven | |
203-628 | Danbury | |
203-629 | Greenwich | |
203-630 | Meriden | |
203-631 | Meriden | |
203-632 | Naugatuck | |
203-633 | Wolcott | |
203-634 | Meriden | |
203-635 | Westport | |
203-636 | Darien | 9/14/2004 |
203-637 | Old Greenwich | |
203-638 | Trumbull | |
203-639 | Meriden | |
203-640 | New Haven | |
203-641 | New Haven | |
203-642 | Norwalk | |
203-643 | Branford | |
203-644 | Norwalk | |
203-645 | New Haven | |
203-646 | Branford | |
203-647 | Milford | |
203-648 | Danbury | |
203-649 | Cheshire | |
203-650 | Bridgeport | 3/26/2001 |
203-651 | Cheshire | |
203-652 | New Canaan | |
203-653 | Stamford | |
203-654 | New Haven | |
203-655 | Darien | |
203-656 | Darien | |
203-657 | New Haven | |
203-658 | Stamford | |
203-659 | Fairfield | |
203-660 | Byram | 1/3/2001 |
203-661 | Greenwich | |
203-662 | Darien | |
203-663 | Norwalk | |
203-664 | Redding | |
203-665 | Wilton | |
203-666 | Bridgeport | 9/26/2013 |
203-667 | Stamford | |
203-668 | New Haven | |
203-669 | Darien | |
203-671 | New Haven | |
203-672 | New Haven | |
203-673 | Bridgeport | |
203-674 | Stamford | |
203-675 | New Haven | |
203-676 | New Haven | |
203-677 | Wallingford | |
203-678 | Wallingford | |
203-679 | Wallingford | |
203-680 | New Haven | 10/31/2012 |
203-681 | Byram | |
203-682 | Westport | |
203-683 | Bridgeport | |
203-684 | New Haven | 10/3/2008 |
203-685 | Bridgeport | 3/30/2001 |
203-686 | Meriden | |
203-687 | New Haven | |
203-688 | New Haven | |
203-689 | Guilford | |
203-690 | Bridgeport | 3/21/2008 |
203-691 | New Haven | |
203-692 | Fairfield | |
203-693 | Milford | 7/13/2010 |
203-694 | Meriden | |
203-695 | Waterbury | |
203-696 | Bridgeport | |
203-697 | Wallingford | |
203-698 | Old Greenwich | |
203-699 | Cheshire | |
203-701 | Milford | |
203-702 | Danbury | |
203-703 | Stamford | |
203-704 | Wolcott | 7/17/2002 |
203-705 | Stamford | |
203-706 | Waterbury | 2/12/2004 |
203-707 | Waterbury | 3/10/2011 |
203-708 | Stamford | |
203-709 | Waterbury | |
203-710 | New Haven | |
203-712 | Huntington | |
203-713 | Milford | |
203-714 | Naugatuck | |
203-715 | Meriden | |
203-716 | New Canaan | |
203-717 | Greenwich | 1/28/2011 |
203-718 | Cheshire | |
203-719 | Stamford | |
203-720 | Naugatuck | |
203-721 | Waterbury | |
203-722 | Norwalk | |
203-723 | Naugatuck | |
203-724 | Stamford | |
203-725 | Waterbury | |
203-726 | Bridgeport | 9/8/2010 |
203-727 | Bridgeport | 6/5/2001 |
203-728 | Stamford | 11/22/2006 |
203-729 | Naugatuck | |
203-730 | Danbury | |
203-731 | Danbury | |
203-732 | Ansonia/Derby | |
203-733 | Danbury | |
203-734 | Ansonia/Derby | |
203-735 | Ansonia/Derby | |
203-736 | Ansonia/Derby | |
203-737 | New Haven | |
203-738 | Guilford | |
203-739 | Danbury | |
203-740 | Danbury | |
203-741 | Wallingford | |
203-742 | Greenwich | 4/10/2003 |
203-743 | Danbury | |
203-744 | Danbury | |
203-745 | New Haven | |
203-746 | Danbury | |
203-747 | New Haven | |
203-748 | Danbury | |
203-749 | Danbury | |
203-750 | Norwalk | |
203-751 | Ansonia/Derby | |
203-752 | New Haven | |
203-753 | Waterbury | |
203-754 | Waterbury | |
203-755 | Waterbury | |
203-756 | Waterbury | |
203-757 | Waterbury | |
203-758 | Waterbury | |
203-759 | Waterbury | |
203-760 | Bridgeport | 4/16/2012 |
203-761 | Wilton | |
203-762 | Wilton | |
203-763 | Fairfield | |
203-764 | New Haven | |
203-765 | New Haven | |
203-766 | New Haven | |
203-767 | Bridgeport | |
203-768 | Waterbury | |
203-769 | Greenwich | |
203-770 | Danbury | |
203-771 | New Haven | |
203-772 | New Haven | |
203-773 | New Haven | |
203-774 | Wallingford | |
203-775 | Danbury | |
203-776 | New Haven | |
203-777 | New Haven | |
203-778 | Danbury | |
203-779 | Madison | |
203-780 | New Haven | 10/2/2012 |
203-781 | New Haven | |
203-782 | New Haven | |
203-783 | Milford | |
203-784 | New Haven | |
203-785 | New Haven | |
203-786 | New Haven | |
203-787 | New Haven | |
203-788 | Danbury | |
203-789 | New Haven | |
203-790 | Danbury | |
203-791 | Danbury | |
203-792 | Danbury | |
203-793 | Wallingford | 3/23/2001 |
203-794 | Danbury | |
203-795 | New Haven | |
203-796 | Danbury | |
203-797 | Danbury | |
203-798 | Danbury | |
203-799 | New Haven | |
203-800 | New Haven | 3/10/2011 |
203-801 | New Canaan | |
203-802 | Waterbury | 10/3/2008 |
203-803 | Norwalk | |
203-804 | New Haven | |
203-805 | Waterbury | |
203-806 | Cheshire | |
203-807 | Norwalk | 1/30/2001 |
203-808 | Waterbury | 5/30/2002 |
203-809 | New Haven | 11/4/2002 |
203-810 | Norwalk | 7/27/2001 |
203-812 | New Haven | |
203-813 | Byram | |
203-814 | Bridgeport | |
203-815 | New Haven | |
203-816 | Trumbull | 3/14/2001 |
203-817 | Stamford | |
203-818 | Norwalk | |
203-819 | Waterbury | |
203-820 | Norwalk | |
203-821 | New Haven | |
203-822 | Norwalk | |
203-823 | New Haven | |
203-824 | New Haven | |
203-825 | Danbury | |
203-826 | Danbury | |
203-827 | Old Greenwich | 7/19/2004 |
203-828 | Seymour | |
203-829 | Norwalk | |
203-830 | Danbury | |
203-831 | Norwalk | |
203-832 | Stamford | 4/6/2006 |
203-833 | New Haven | 7/29/2015 |
203-834 | Wilton | |
203-835 | Norwalk | |
203-836 | New Haven | 12/6/2011 |
203-837 | Danbury | |
203-838 | Norwalk | |
203-839 | Norwalk | |
203-840 | Norwalk | |
203-841 | Waterbury | |
203-842 | Norwalk | |
203-843 | New Haven | |
203-844 | Fairfield | 8/16/2004 |
203-845 | Norwalk | |
203-846 | Norwalk | |
203-847 | Norwalk | |
203-848 | New Haven | |
203-849 | Norwalk | |
203-850 | New Haven | 10/3/2008 |
203-851 | Norwalk | |
203-852 | Norwalk | |
203-853 | Norwalk | |
203-854 | Norwalk | |
203-855 | Norwalk | |
203-856 | Norwalk | |
203-857 | Norwalk | |
203-858 | Norwalk | |
203-859 | New Haven | |
203-861 | Greenwich | |
203-862 | Greenwich | |
203-863 | Greenwich | |
203-864 | Bridgeport | 3/7/2011 |
203-865 | New Haven | |
203-866 | Norwalk | |
203-867 | New Haven | |
203-868 | New Haven | |
203-869 | Greenwich | |
203-870 | Bridgeport | |
203-871 | Branford | |
203-872 | Cheshire | |
203-873 | Bridgeport | 2/7/2007 |
203-874 | Milford | |
203-875 | Darien | |
203-876 | Milford | |
203-877 | Milford | |
203-878 | Milford | |
203-879 | Wolcott | |
203-880 | Trumbull | |
203-881 | Seymour | |
203-882 | Milford | |
203-883 | Stamford | |
203-884 | Guilford | |
203-885 | Danbury | 10/30/2006 |
203-886 | Meriden | |
203-887 | New Haven | |
203-888 | Seymour | |
203-889 | New Haven | |
203-890 | Stamford | 7/27/2001 |
203-891 | New Haven | |
203-892 | Ansonia/Derby | 11/8/2010 |
203-893 | Ansonia/Derby | 6/29/2007 |
203-894 | Ridgefield | |
203-895 | Trumbull | |
203-896 | Madison | |
203-897 | Stamford | 8/20/2008 |
203-898 | Darien | 1/31/2005 |
203-899 | Norwalk | |
203-900 | Greenwich | 2/24/2012 |
203-901 | New Haven | |
203-902 | New Haven | |
203-903 | New Haven | |
203-904 | Norwalk | |
203-905 | Stamford | |
203-906 | Ansonia/Derby | 4/23/2002 |
203-907 | New Haven | |
203-908 | Bridgeport | 4/5/2006 |
203-909 | New Haven | 5/13/2008 |
203-910 | Waterbury | |
203-912 | Stamford | |
203-913 | Bridgeport | |
203-914 | Stamford | 2/24/2012 |
203-915 | New Haven | |
203-916 | Bridgeport | 1/30/2001 |
203-917 | Danbury | 10/22/2008 |
203-918 | Stamford | |
203-919 | Norwalk | |
203-920 | New Canaan | 2/20/2004 |
203-921 | Stamford | |
203-922 | Huntington | |
203-923 | Bridgeport | |
203-924 | Huntington | |
203-925 | Huntington | |
203-926 | Huntington | |
203-927 | New Haven | |
203-928 | New Haven | |
203-929 | Huntington | |
203-930 | Greenwich | 3/14/2001 |
203-931 | New Haven | |
203-932 | New Haven | |
203-933 | New Haven | |
203-934 | New Haven | |
203-935 | Meriden | |
203-936 | New Haven | 9/12/2008 |
203-937 | New Haven | |
203-938 | Redding | |
203-939 | Norwalk | 6/25/2008 |
203-940 | Stamford | |
203-941 | Seymour | 9/21/2010 |
203-942 | Danbury | |
203-943 | Norwalk | |
203-944 | Huntington | |
203-945 | Norwalk | |
203-946 | New Haven | |
203-947 | Danbury | |
203-948 | Danbury | |
203-949 | Wallingford | |
203-951 | Milford | |
203-952 | Norwalk | |
203-953 | Bridgeport | 7/27/2001 |
203-954 | Ansonia/Derby | |
203-955 | Fairfield | 2/20/2004 |
203-956 | Norwalk | 1/30/2001 |
203-957 | Norwalk | 5/25/2011 |
203-960 | Stamford | 9/15/2008 |
203-961 | Stamford | |
203-962 | Stamford | |
203-963 | Norwalk | |
203-964 | Stamford | |
203-965 | Stamford | |
203-966 | New Canaan | |
203-967 | Stamford | |
203-968 | Stamford | |
203-969 | Stamford | |
203-970 | Norwalk | 4/4/2011 |
203-971 | Greenwich | |
203-972 | New Canaan | |
203-973 | Stamford | |
203-974 | New Haven | |
203-975 | Stamford | |
203-977 | Stamford | |
203-978 | Stamford | |
203-979 | Stamford | |
203-980 | New Haven | 8/20/2002 |
203-981 | Norwalk | |
203-982 | Waterbury | |
203-983 | Greenwich | |
203-984 | Norwalk | |
203-985 | New Haven | |
203-986 | Old Greenwich | 2/20/2004 |
203-987 | Greenwich | 3/30/2001 |
203-988 | New Haven | |
203-989 | Stamford | |
203-990 | Old Greenwich | 1/31/2005 |
203-991 | Norwalk | |
203-992 | Greenwich | 5/12/2006 |
203-993 | Bridgeport | 7/20/2006 |
203-994 | Danbury | 12/14/2001 |
203-995 | Bridgeport | 10/8/2008 |
203-996 | New Haven | 12/14/2001 |
203-997 | Ansonia/Derby | 5/18/2011 |
203-998 | Stamford | 10/15/2004 |
203-999 | New Haven | 3/9/2011 |
- The numbering system includes two NPAs and four NXXs.
- The rate center is listed under ‘Area served’. Rate centers are defined as the boundaries within which local calls will be billed in the North American Numbering Plan. In most cases, a NPA-NXX combination serves at least one locality, so its name is usually indicative of its location.
- When it was assigned. A date is not provided when the exchange code was assigned.
List of Cities in Area Code 203
Looking to find out what cities are in your area code 203? You’ve come to the right place! We’ve put together a comprehensive list of major cities and their corresponding area codes. Whether you’re looking to relocate or just curious, you’ll be able to find what you need here.
So without further ado, let’s get started! We’ve compiled a list of every city in the 203 area code with the corresponding phone number. We hope you find this information helpful!
City | County | Time |
---|---|---|
Ansonia | New Haven | E |
Beacon Falls | New Haven | E |
Bethany | New Haven | E |
Bethel | Fairfield | E |
Bethlehem | Litchfield | E |
Botsford | Fairfield | E |
Branford | New Haven | E |
Bridgeport | Fairfield | E |
Brookfield | Fairfield | E |
Cheshire | New Haven | E |
Cos Cob | Fairfield | E |
Danbury | Fairfield | E |
Darien | Fairfield | E |
Derby | New Haven | E |
East Haven | New Haven | E |
Easton | Fairfield | E |
Fairfield | Fairfield | E |
Georgetown | Fairfield | E |
Greens Farms | Fairfield | E |
Greenwich | Fairfield | E |
Guilford | New Haven | E |
Hamden | New Haven | E |
Hawleyville | Fairfield | E |
Madison | New Haven | E |
Meriden | New Haven | E |
Middlebury | New Haven | E |
Milford | New Haven | E |
Monroe | Fairfield | E |
Naugatuck | New Haven | E |
New Canaan | Fairfield | E |
New Fairfield | Fairfield | E |
New Haven | New Haven | E |
Newtown | Fairfield | E |
North Branford | New Haven | E |
North Haven | New Haven | E |
Northford | New Haven | E |
Norwalk | Fairfield | E |
Old Greenwich | Fairfield | E |
Orange | New Haven | E |
Oxford | New Haven | E |
Prospect | New Haven | E |
Redding | Fairfield | E |
Redding Center | Fairfield | E |
Redding Ridge | Fairfield | E |
Ridgefield | Fairfield | E |
Riverside | Fairfield | E |
Roxbury | Litchfield | E |
Sandy Hook | Fairfield | E |
Seymour | New Haven | E |
Shelton | Fairfield | E |
Sherman | Fairfield | E |
South Britain | New Haven | E |
Southbury | New Haven | E |
Southport | Fairfield | E |
Stamford | Fairfield | E |
Stevenson | Fairfield | E |
Stratford | Fairfield | E |
Trumbull | Fairfield | E |
Wallingford | New Haven | E |
Waterbury | New Haven | E |
West Haven | New Haven | E |
Weston | Fairfield | E |
Westport | Fairfield | E |
Wilton | Fairfield | E |
Wolcott | New Haven | E |
Woodbridge | New Haven | E |
Woodbury | Litchfield | E |
- Area code 203 is served by a large number of places in the table above, but not all of them. In cases where there is more than one place with the same name in the same state, we list only the largest. In bold are the cities with more than 50,000 people.
- The Eastern Time (currently 03:40:02 PM) stands for Eastern Time.