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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-371 A Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 0 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 1 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 2 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 3 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 4 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 5 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 6 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 7 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-371 9 Mormon Lake AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.