Prefix overview
Phone numbers in prefix 256-499
This page covers the 256-499 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
256-499
RATE CENTER
ANNISTON
CARRIER
AT&T - LOCAL
AL
Prefix range
The prefix 256-499 includes numbers from 2564990000 to 2564999999.
This range is associated with the ANNISTON rate center and was originally assigned to AT&T - LOCAL.
Numbers in this prefix
20 numbers