Prefix overview
Phone numbers in prefix 559-231
This page covers the 559-231 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
559-231
RATE CENTER
FRESNO
CARRIER
AT&T ENTERPRISES, LLC
CA
Prefix range
The prefix 559-231 includes numbers from 5592310000 to 5592319999.
This range is associated with the FRESNO rate center and was originally assigned to AT&T ENTERPRISES, LLC.
Numbers in this prefix
20 numbers