Prefix overview
Phone numbers in prefix 520-370
This page covers the 520-370 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
520-370
RATE CENTER
TUCSON
CARRIER
T-MOBILE USA, INC.
AZ
Prefix range
The prefix 520-370 includes numbers from 5203700000 to 5203709999.
This range is associated with the TUCSON rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers