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Area Code 623 Information

State: AZ - Arizona
Active: True

North American area code 623 is a state of Arizona telephone area code which was created in a split from area code 602 on April 1, 1999, when it was deemed that the Greater Phoenix metropolitan area could no longer continue with just one area code due to the explosive growth of the Phoenix metropolitan area in the 1990s. The west side and the western half of the far north side became 623

Related Area Codes: 480, 520, 602

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