Prefix overview
Phone numbers in prefix 520-429
This page covers the 520-429 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
520-429
RATE CENTER
TUCSON
CARRIER
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
AZ
Prefix range
The prefix 520-429 includes numbers from 5204290000 to 5204299999.
This range is associated with the TUCSON rate center and was originally assigned to CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ.
Numbers in this prefix
20 numbers