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: 208

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-208 A Casa Grande AZ PHNXAZMAXMY  4360 GLOBAL CROSSING LOCAL SERVICES, INC. - AZ 666      
520-208 0 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-208 1 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-208 2 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-208 3 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-208 4 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-208 5 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-208 6 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-208 7 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-208 8 Casa Grande AZ PHNXAZMAXMY  4360 GLOBAL CROSSING LOCAL SERVICES, INC. - AZ 666      
520-208 9 Casa Grande AZ PHNXAZMAXMY  4360 GLOBAL CROSSING LOCAL SERVICES, INC. - AZ 666      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.