NPA-NXX - 857-281

This is the 857-281 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 857
3. 857-281

The 857-281 subcode mainly covers Cambridge in Middlesex county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Massachusetts state. Many of the numbers in this subcode are Cellular (Dedicated) registered to Halo Wireless Services. We hear they employ a large number of people in the Massachusetts office.
Recently there have been an increase in reported calls, we've had over 1503085 comments across our systems for the 857-281 subcode.