KJZZ

There are nearly 8 million possible numbers in an area code. How is Arizona’s 520 running out?

Sometime in the next five years or so, some southern Arizona residents are going to find out that their new neighbors have a different area code.
Eastern Arizona Courier

State's 520 area code expected to run out of numbers by 2030

Sometime in the next five years or so, some southern Arizona residents are going to find out that their new neighbors have a ...
Mohave Valley Daily News

Southern Arizona’s 520 area code will run out of numbers by 2030, prompting a new overlay

Sometime in the next five years or so, some Southern Arizona residents are going to find out that their new neighbors have a different area code.