Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-405 A Flagstaff AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
928-405 0 Flagstaff AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
928-405 1 Flagstaff AZ PHNXAZ19DMD  490J DISH WIRELESS, LLC 666      
928-405 2 Flagstaff AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-405 3 Flagstaff AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
928-405 4 Flagstaff AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
928-405 5 Flagstaff AZ PHNXAZMAXQY  624H ONVOY SPECTRUM, LLC 666      
928-405 6 Flagstaff AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
928-405 7 Flagstaff AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-405 8 Flagstaff AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-405 9 Flagstaff AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.