Prefix overview
Phone numbers in prefix 251-310
This page covers the 251-310 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
251-310
RATE CENTER
BELLEFONTN
CARRIER
AT&T - LOCAL
AL
Prefix range
The prefix 251-310 includes numbers from 2513100000 to 2513109999.
This range is associated with the BELLEFONTN rate center and was originally assigned to AT&T - LOCAL.
Numbers in this prefix
20 numbers