The 520 area code received a few more years of life as Southern Arizona's solo area code after Arizona Corporation Commission staff found a way to prolong a change that's ...
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 ...
PHOENIX — 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. But no current customer will get a new ...
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