Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-637 A Flagstaff AZ ASFKAZMARS1  9636 QWEST CORPORATION 666      
928-637 0 Flagstaff AZ ASFKAZMARS1  9636 QWEST CORPORATION 666      
928-637 1 Flagstaff AZ ASFKAZMARS1  9636 QWEST CORPORATION 666      
928-637 2 Flagstaff AZ ASFKAZMARS1  9636 QWEST CORPORATION 666      
928-637 3 Flagstaff AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-05-12   
928-637 4 Flagstaff AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-05-12   
928-637 5 Flagstaff AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2007-05-04   
928-637 6 Flagstaff AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2008-05-10   
928-637 7 Flagstaff AZ FLGSAZMADS0  9636 QWEST CORPORATION 666   2007-06-25   
928-637 8 Flagstaff AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2010-03-08   
928-637 9 Flagstaff AZ ASFKAZMARS1  9636 QWEST CORPORATION 666      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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