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: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-394 A Bouse AZ LSANCARCD3S  630E ONVOY, LLC - AZ 730      
928-394 1 Bouse AZ LSANCARCD3S  630E ONVOY, LLC - AZ 730   2021-08-08   
928-394 2 Bouse AZ VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2021-11-07   
928-394 3 Bouse AZ VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2021-07-25   
928-394 4 Bouse AZ LSANCARCD3S  630E ONVOY, LLC - AZ 730   2021-07-03   
928-394 5 Bouse AZ VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2021-09-26   
928-394 6 Bouse AZ VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2021-11-07   
928-394 7 Bouse AZ LSANCARCD3S  630E ONVOY, LLC - AZ 730   2021-02-19   
928-394 8 Bouse AZ LSANCARCD3S  630E ONVOY, LLC - AZ 730   2021-02-19   
928-394 9 Bouse AZ LSANCARCD3S  630E ONVOY, LLC - AZ 730   2022-03-11   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.