Prefix overview
Phone numbers in prefix 956-274
This page covers the 956-274 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
956-274
RATE CENTER
DONNA
CARRIER
AT&T ENTERPRISES, LLC
TX
Prefix range
The prefix 956-274 includes numbers from 9562740000 to 9562749999.
This range is associated with the DONNA rate center and was originally assigned to AT&T ENTERPRISES, LLC.
Numbers in this prefix
20 numbers