Add Yahoo as a preferred source to see more of our stories on Google. Next month, people with 602 and 623 area codes must start dialing 10 digits (their area code +their phone number) for all local ...

PHOENIX (3TV/CBS 5) — If you live in the Valley, you might have received a text message last week saying you’ll have to dial a few more digits when making phone calls. Starting Aug. 12, anyone with ...

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 ...

The addition of the 480 and 623 area codes in 1999 caused some initial confusion. The 520 area code was designated for areas outside Maricopa County in 1995. The 520 was split to add a 928 area code ...