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: 928 [Rate centres in NPA 928] [Dial plan for NPA 928]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
928-399 A Sedona AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-399 0 Sedona AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-399 1 Sedona AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
928-399 2 Sedona AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
928-399 3 Sedona AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-399 4 Sedona AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-399 5 Sedona AZ PHNXAZ19BMD  145J TERRA NOVA TELECOM INC. 666      
928-399 6 Sedona AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-399 7 Sedona AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
928-399 8 Sedona AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
928-399 9 Sedona AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.