Prefix overview
Phone numbers in prefix 520-455
This page covers the 520-455 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
520-455
RATE CENTER
NOGALES
CARRIER
QWEST CORPORATION
AZ
Prefix range
The prefix 520-455 includes numbers from 5204550000 to 5204559999.
This range is associated with the NOGALES rate center and was originally assigned to QWEST CORPORATION.
Numbers in this prefix
20 numbers