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Updated Jan 02, 2010Area Code 623
  1. "E" is Eastern Time Zone, "C" is Central Time Zone, "M" is Mountain Time Zone, and "P" is Pacific Time Zone. Occasionally, an area code will fall in more than one time zone. In this case, the abbreviation is a combination of the previous abbreviations. Some area codes are shown with time zones referencing Universal Coordinated Time (UTC).
  2. Additional technical status can be retrived from the North American Numbering Plan Administration on the 623 area code specific link here.
Area Code623 (area code map)
LocationArizona
Dates and historical informationArea code 623 went live into service on March 01, 1999 (The paperwork process started on January 11, 1999).  It was formed as a subdivision of the 602 area code.
Technical Status 2Area code 623 is currently live and in service.
Time Zone(s) 1M
LATA numbers served666
Number of rate centers served1
List of rate centersPHOENIX
Number of major cities served16
Names of major cities served (ZIP code)Phoenix (85003), Goodyear (85338), Avondale-goodyear (85338), Peoria (85345), Phoenix (85027), Phoenix (85033), Buckeye (85326), Tolleson (85353), Phoenix (85029), Peoria (85382), Black Canyon City (85324), Black Cyn Cty (85324), Rock Springs (85324), Morristown (85342), Circle City (85342), Glendale (85301), Phoenix (85020), Youngtown (85363), Litchfield Park (85340), Litchfield Pk (85340), Litchfield (85340), Phoenix (85039)
Number of exchanges served200
List of exchanges served623-201-xxxx, 623-202-xxxx, 623-203-xxxx, 623-204-xxxx, 623-205-xxxx, 623-206-xxxx, 623-207-xxxx, 623-208-xxxx, 623-209-xxxx, 623-210-xxxx, 623-212-xxxx, 623-214-xxxx, 623-215-xxxx, 623-217-xxxx, 623-218-xxxx, 623-221-xxxx, 623-222-xxxx, 623-223-xxxx, 623-224-xxxx, 623-225-xxxx, 623-229-xxxx, 623-234-xxxx, 623-236-xxxx, 623-237-xxxx, 623-238-xxxx, 623-239-xxxx, 623-241-xxxx, 623-242-xxxx, 623-243-xxxx, 623-245-xxxx, 623-247-xxxx, 623-249-xxxx, 623-251-xxxx, 623-252-xxxx, 623-255-xxxx, 623-256-xxxx, 623-258-xxxx, 623-261-xxxx, 623-262-xxxx, 623-266-xxxx, 623-271-xxxx, 623-293-xxxx, 623-297-xxxx, 623-298-xxxx, 623-302-xxxx, 623-308-xxxx, 623-313-xxxx, 623-321-xxxx, 623-322-xxxx, 623-326-xxxx, 623-327-xxxx, 623-328-xxxx, 623-329-xxxx, 623-330-xxxx, 623-332-xxxx, 623-333-xxxx, 623-334-xxxx, 623-337-xxxx, 623-340-xxxx, 623-341-xxxx, 623-344-xxxx, 623-349-xxxx, 623-362-xxxx, 623-363-xxxx, 623-374-xxxx, 623-376-xxxx, 623-377-xxxx, 623-385-xxxx, 623-386-xxxx, 623-388-xxxx, 623-393-xxxx, 623-398-xxxx, 623-399-xxxx, 623-412-xxxx, 623-414-xxxx, 623-418-xxxx, 623-432-xxxx, 623-433-xxxx, 623-434-xxxx, 623-435-xxxx, 623-444-xxxx, 623-445-xxxx, 623-451-xxxx, 623-455-xxxx, 623-463-xxxx, 623-465-xxxx, 623-466-xxxx, 623-474-xxxx, 623-476-xxxx, 623-478-xxxx, 623-486-xxxx, 623-487-xxxx, 623-492-xxxx, 623-505-xxxx, 623-512-xxxx, 623-516-xxxx, 623-518-xxxx, 623-521-xxxx, 623-523-xxxx, 623-533-xxxx, 623-535-xxxx, 623-536-xxxx, 623-537-xxxx, 623-544-xxxx, 623-546-xxxx, 623-547-xxxx, 623-551-xxxx, 623-552-xxxx, 623-555-xxxx, 623-556-xxxx, 623-561-xxxx, 623-565-xxxx, 623-566-xxxx, 623-570-xxxx, 623-572-xxxx, 623-580-xxxx, 623-581-xxxx, 623-582-xxxx, 623-583-xxxx, 623-584-xxxx, 623-587-xxxx, 623-594-xxxx, 623-606-xxxx, 623-628-xxxx, 623-640-xxxx, 623-643-xxxx, 623-670-xxxx, 623-680-xxxx, 623-687-xxxx, 623-688-xxxx, 623-691-xxxx, 623-692-xxxx, 623-693-xxxx, 623-694-xxxx, 623-695-xxxx, 623-696-xxxx, 623-698-xxxx, 623-703-xxxx, 623-707-xxxx, 623-715-xxxx, 623-734-xxxx, 623-738-xxxx, 623-742-xxxx, 623-748-xxxx, 623-755-xxxx, 623-760-xxxx, 623-764-xxxx, 623-772-xxxx, 623-773-xxxx, 623-776-xxxx, 623-780-xxxx, 623-792-xxxx, 623-806-xxxx, 623-810-xxxx, 623-815-xxxx, 623-824-xxxx, 623-825-xxxx, 623-826-xxxx, 623-842-xxxx, 623-845-xxxx, 623-846-xxxx, 623-847-xxxx, 623-848-xxxx, 623-849-xxxx, 623-850-xxxx, 623-853-xxxx, 623-856-xxxx, 623-866-xxxx, 623-869-xxxx, 623-871-xxxx, 623-872-xxxx, 623-873-xxxx, 623-875-xxxx, 623-876-xxxx, 623-877-xxxx, 623-878-xxxx, 623-879-xxxx, 623-880-xxxx, 623-882-xxxx, 623-889-xxxx, 623-907-xxxx, 623-910-xxxx, 623-915-xxxx, 623-925-xxxx, 623-930-xxxx, 623-931-xxxx, 623-932-xxxx, 623-933-xxxx, 623-934-xxxx, 623-935-xxxx, 623-936-xxxx, 623-937-xxxx, 623-939-xxxx, 623-972-xxxx, 623-974-xxxx, 623-975-xxxx, 623-977-xxxx, 623-979-xxxx, 623-980-xxxx, 623-986-xxxx
Number of telephone companies27 telephone companies servicing the 623 area code
List of telephone companiesXO ARIZONA, INC., LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC., GLOBAL CROSSING LOCAL SERVICES, INC.-AZ, T-MOBILE USA, INC., SPRINT SPECTRUM L.P., NEW CINGULAR WIRELESS PCS, LLC, QWEST CORPORATION, LEVEL 3 COMMUNICATIONS, LLC - AZ, MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ, CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ, ESCHELON TELECOM OF ARIZONA, INC. - AZ, NETWORK SERVICES LLC, COX ARIZONA TELCOM, INC. - AZ, ALLEGIANCE TELECOM OF ARIZONA, INC., NEXTEL COMMUNICATIONS, INC., NATIONAL BRANDS, INC. DBA SHARENET COMMS - AZ, MCIMETRO ACCESS TRANSMISSION SERVICES LLC, AT&T LOCAL, PAC - WEST TELECOMM, INC. - AZ, MOUNTAIN TELECOMMUNICATIONS, INC. - CLEC, VERIZON WIRELESS (VAW), LLC, TIME WARNER TELECOM OF ARIZONA, LLC-AZ, CITYNET ARIZONA, LLC - AZ, ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ, TELEPORT COMMUNICATIONS GROUP - PHOENIX, ACCIPITER COMMUNICATIONS INC, USA MOBILITY WIRELESS, INC.

623 Area Code Map

 
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