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 ...

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 ...

You probably rarely think about the significance of your area code, unless it's 602 day and you live in Phoenix. Are you familiar with Area Code Day? It's a unique celebration for cities to celebrate ...