Prefix overview
Phone numbers in prefix 256-377
This page covers the 256-377 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
256-377
RATE CENTER
ROCKFORD
CARRIER
BRIGHTSPEED OF ALABAMA, LLC - NORTHERN
AL
Prefix range
The prefix 256-377 includes numbers from 2563770000 to 2563779999.
This range is associated with the ROCKFORD rate center and was originally assigned to BRIGHTSPEED OF ALABAMA, LLC - NORTHERN.
Numbers in this prefix
20 numbers