Local Calling Guide

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NPA: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-315 A Somerton AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-315 0 Somerton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2011-12-19   
928-315 1 Somerton AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2008-02-11   
928-315 2 Somerton AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2009-03-13   
928-315 3 Somerton AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2011-04-13   
928-315 4 Somerton AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666   2012-01-16   
928-315 5 Somerton AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2011-05-23   
928-315 6 Somerton AZ YUMAAZMAAMD  793K TWC IP ENABLED SERVICES, LLC 666   2012-02-01   
928-315 7 Somerton AZ PHNXAZUI8MD  508J CENTURYLINK COMMUNICATIONS, LLC 666   2015-09-26   
928-315 8 Somerton AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2014-10-10   
928-315 9 Somerton AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2007-10-29   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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