Local Calling Guide

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

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-221 A Flagstaff AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
928-221 0 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2005-06-13   
928-221 1 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2005-10-02   
928-221 2 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-02-04   
928-221 3 Flagstaff AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-02-23   
928-221 4 Flagstaff AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-02-23   
928-221 5 Flagstaff AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2022-04-26   
928-221 6 Flagstaff AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-03-27   
928-221 7 Flagstaff AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-03-27   
928-221 8 Flagstaff AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-05-06   
928-221 9 Flagstaff AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2008-12-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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