Local Calling Guide

Area code/prefix search

Phoenix, AZ

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NPA-NXX	BLOCK	Switch	OCN	LATA	LIR	Eff date	Disc date
623-986	7		6529 T-MOBILE USA, INC.	666		2007-03-16
623-986	8		6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	666		2007-02-28
623-986	9		6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	666		2007-02-28
623-999	A	PHNXAZ28DS3	630E ONVOY, LLC - AZ	666
623-999	0		6529 T-MOBILE USA, INC.	666		2014-02-22
623-999	1		630E ONVOY, LLC - AZ	666		2013-11-21
623-999	2		6529 T-MOBILE USA, INC.	666		2014-02-22
623-999	3		6529 T-MOBILE USA, INC.	666		2014-02-22
623-999	4		6529 T-MOBILE USA, INC.	666		2014-02-22
623-999	5		6529 T-MOBILE USA, INC.	666		2014-02-22
623-999	6		6529 T-MOBILE USA, INC.	666		2013-12-20
623-999	7		6529 T-MOBILE USA, INC.	666		2013-12-20
623-999	8		6529 T-MOBILE USA, INC.	666		2013-12-20
623-999	9		630E ONVOY, LLC - AZ	666		2013-11-21

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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