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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-489 A Portland OR PTLDORWAXJY  475J CALLWORKS CORPORATION 672   2024-08-11   
971-489 0 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 1 Portland OR PTLDORWAXJY  475J CALLWORKS CORPORATION 672   2024-08-11   
971-489 2 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 3 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 4 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 5 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 6 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 7 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 8 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   
971-489 9 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-08-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.