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: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 592

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-592 A Nogales AZ TCSMAZEE0MD  073H TELNYX LLC 668      
520-592 0 Nogales AZ TCSMAZEE0MD  073H TELNYX LLC 668      
520-592 1 Nogales AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-592 2 Nogales AZ TCSNAZMAX3Y  624H ONVOY SPECTRUM, LLC 668      
520-592 3 Nogales AZ TCSNAZMAX3Y  624H ONVOY SPECTRUM, LLC 668      
520-592 4 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-592 5 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-592 6 Nogales AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-592 7 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-592 8 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-592 9 Nogales AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.