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: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-316 A Pima AZ TCSNAZMAXYX  508J CENTURYLINK COMMUNICATIONS, LLC 668      
928-316 0 Pima AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
928-316 1 Pima AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
928-316 2 Pima AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
928-316 3 Pima AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
928-316 4 Pima AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
928-316 5 Pima AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668      
928-316 6 Pima AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
928-316 7 Pima AZ TCSNAZMAXYX  508J CENTURYLINK COMMUNICATIONS, LLC 668      
928-316 8 Pima AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668      
928-316 9 Pima AZ TCSMAZCH7MD  073H TELNYX LLC 668      

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.