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: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-719 A Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-719 0 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-09-21   
520-719 1 Tucson AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 668   2015-09-21   
520-719 2 Tucson AZ   630E ONVOY, LLC - AZ 668   2015-12-22   
520-719 3 Tucson AZ   630E ONVOY, LLC - AZ 668   2015-12-22   
520-719 4 Tucson AZ   7184 MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ 668   2016-03-04   
520-719 5 Tucson AZ   5562 METRO PCS, INC. 668   2016-01-11   
520-719 6 Tucson AZ   7217 TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 668   2016-01-16   
520-719 7 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-09-22   
520-719 8 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-09-22   
520-719 9 Tucson AZ   6529 T-MOBILE USA, INC. 668   2015-09-22   

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.