Prefix overview
Phone numbers in prefix 207-257
This page covers the 207-257 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
207-257
RATE CENTER
PLYMOUTH
CARRIER
MID-MAINE TELECOM LLC
ME
Prefix range
The prefix 207-257 includes numbers from 2072570000 to 2072579999.
This range is associated with the PLYMOUTH rate center and was originally assigned to MID-MAINE TELECOM LLC.
Numbers in this prefix
20 numbers