PHOENIX — Residents in three large area codes in Arizona will have to transition to 10-digit dialing later this year, the Arizona Corporation Commission announced. Those in the area codes of 480, 520, ...

Any new phone or extra line that you receive after Sept. 12 could be assigned a 480, 602 or 623 area code — whether you live in Tolleson or Tempe, Scottsdale or Surprise, or Phoenix or Peoria — thanks ...

PHOENIX (AP) - The Arizona Corporation Commission has announced residents in three large area codes in Arizona will have to transition to 10-digit dialing for all local calls later this year. The ...

Next month, people with 602 and 623 area codes must start dialing 10 digits (their area code +their phone number) for all local calls. The Utilities Department of the Arizona Corporation Commission ...

PHOENIX (AP) - Starting Sunday, phone users in much of Arizona must include area codes when dialing to make all calls, including local calls that previously only required seven digits. As in many ...