Prefix overview
Phone numbers in prefix 508-257
This page covers the 508-257 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
508-257
RATE CENTER
SIASCONSET
CARRIER
VERIZON NEW ENGLAND INC.
MA
Prefix range
The prefix 508-257 includes numbers from 5082570000 to 5082579999.
This range is associated with the SIASCONSET rate center and was originally assigned to VERIZON NEW ENGLAND INC..
Numbers in this prefix
20 numbers