Prefix overview
Phone numbers in prefix 314-256
This page covers the 314-256 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
314-256
RATE CENTER
ST LOUIS
CARRIER
SOUTHWESTERN BELL
MO
Prefix range
The prefix 314-256 includes numbers from 3142560000 to 3142569999.
This range is associated with the ST LOUIS rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers