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: 286

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-286 A Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-286 0 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2013-03-11   
520-286 1 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2013-03-11   
520-286 2 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2013-03-11   
520-286 3 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2013-03-11   
520-286 4 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2013-03-11   
520-286 5 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2023-10-11   
520-286 6 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-11-21   
520-286 7 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-11-27   
520-286 8 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2014-08-25   
520-286 9 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2014-08-25   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.