Folks using the 520 area code to connect to Flagstaff phone numbers will no longer be able to do so, starting next week. Much of rural Arizona — including the Flagstaff region — will completely switch ...

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, ...

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 ...

TUCSON (KVOA) - Changes are coming to the way you make a phone call. If you have a 520, 480 or 928 area code, get ready to dial all 10 numbers. The change kicks in Sunday. Phone users here in Tucson ...

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

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 required only seven digits. As in many ...