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: 619

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-619 A Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-619 0 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-619 1 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-619 2 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-619 3 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-619 4 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-619 5 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-619 6 Nogales AZ   593K MCC TELEPHONY LLC 668      
520-619 7 Nogales AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-619 8 Nogales AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-619 9 Nogales AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.