Area code 623 was first put in service March 01, 1999. Area code 623 is in USA (Arizona). 1-800-database has 790 records on file with a phone number in the area code of (623) and 40 comments.
The carriers providing phone numbers in 623 area code are: 360networks (usa) Inc., Allegiance Telecom Of Arizona, American Messaging Services, AT&T Local, Bandwidth.com Clec, Cellco Partnership DBA Verizon Wireless, Cox Arizona Telcom, Electric Lightwave DBA Integra Telecom, Eschelon Telecom Of Arizona, Gila Local Exchange Carrier, Global Crossing Local Services-az, Leap Wireless Intl DBA Cricket Comm, Level 3 Communications, Mcimetro Access Transmission Services LLC, Mcleodusa Telecommunications Services- Az, Neutral Tandem-arizona, New Cingular Wireless PCS, Pac - West Telecomm, Peerless Network Of Arizona, Qwest Corporation, Sprint Spectrum L.p., Teleport Communications America, T-mobile Usa, Tw Telecom Of Arizona LLC, Xo Arizona.
Counties located in area code 623 are: MARICOPA, YAVAPAI.
Largest city: Phoenix
In service since: 03/01/1999
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