Prefix overview
Phone numbers in prefix 256-343
This page covers the 256-343 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
256-343
RATE CENTER
ANNISTON
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - GA
AL
Prefix range
The prefix 256-343 includes numbers from 2563430000 to 2563439999.
This range is associated with the ANNISTON rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - GA.
Numbers in this prefix
20 numbers