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: 350

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-350 A Prescott AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
928-350 0 Prescott AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
928-350 1 Prescott AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
928-350 2 Prescott AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
928-350 3 Prescott AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
928-350 4 Prescott AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666      
928-350 5 Prescott AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
928-350 6 Prescott AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-350 7 Prescott AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-350 8 Prescott AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
928-350 9 Prescott AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.