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: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-477 A Beaverton OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2024-01-28   
971-477 0 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-01-29   
971-477 1 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-01-29   
971-477 2 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-01-29   
971-477 3 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-01-29   
971-477 4 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-01-29   
971-477 5 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-01-29   
971-477 6 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-01-29   
971-477 7 Beaverton OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2024-01-28   
971-477 8 Beaverton OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2024-01-28   
971-477 9 Beaverton OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2024-01-28   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.