Prefix overview
Phone numbers in prefix 520-301
This page covers the 520-301 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
520-301
RATE CENTER
TUCSON
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
AZ
Prefix range
The prefix 520-301 includes numbers from 5203010000 to 5203019999.
This range is associated with the TUCSON rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers