Prefix overview
Phone numbers in prefix 256-320
This page covers the 256-320 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
256-320
RATE CENTER
SHEFFIELD
CARRIER
METROPCS, INC.
AL
Prefix range
The prefix 256-320 includes numbers from 2563200000 to 2563209999.
This range is associated with the SHEFFIELD rate center and was originally assigned to METROPCS, INC..
Numbers in this prefix
20 numbers