Prefix overview
Phone numbers in prefix 520-357
This page covers the 520-357 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
520-357
RATE CENTER
HAYDEN
CARRIER
QWEST CORPORATION
AZ
Prefix range
The prefix 520-357 includes numbers from 5203570000 to 5203579999.
This range is associated with the HAYDEN rate center and was originally assigned to QWEST CORPORATION.
Numbers in this prefix
20 numbers