857 Area Code – Map, Phone Lookup, Time Zone

Massachusetts (MA), USA is covered by Area Code 857, and some of the main cities are Boston, Newton, Somerville, .. (see below for city lists).

The area code 857 was introduced on 02 May 2001 and is part of the overlay complex 617/857 (being overlays for the same geographic area).

In the Eastern Time zone, the current time is 01:07:55 PM (Eastern).

857 Area Code Phone Lookup

Map of area code 857

Nearby to the 857 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!

List of 857-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 857? This infographic is a great place to start. It provides an overview of 857 area code, including its name, prefixes and date. The infographic also incl

1. Numbering Plan Areas (area codes) are NPAs, while central office codes are NXXs.
2. A rate center is a geographic area used to determine local calling boundaries in the North American Numbering Plan. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
3. The date of the assignment. Exchange codes assigned prior to 2001 don’t have an assigned date.

List of Cities in Area Code 857

Looking to find out what cities are in your area code 857? 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 857 area code with the corresponding phone number. We hope you find this information helpful!

1. Area code 857 is served mostly, but not always, by the places listed above. If there is more than one place with the same name in the same state, we list only the one with the largest population. Cities with populations over 50,000 will be bolded.
2. The current time is 01:07:55 PM Eastern Time.