Prefix overview
Phone numbers in prefix 559-377
This page covers the 559-377 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
559-377
RATE CENTER
MADERA
CARRIER
AT&T ENTERPRISES, LLC
CA
Prefix range
The prefix 559-377 includes numbers from 5593770000 to 5593779999.
This range is associated with the MADERA rate center and was originally assigned to AT&T ENTERPRISES, LLC.
Numbers in this prefix
20 numbers