Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 449

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-449 A Portland OR PTLDORWAXLY  732J NUSO, LLC 672      
971-449 0 Portland OR   750E ONVOY, LLC - OR 672   2023-07-22   
971-449 1 Portland OR   750E ONVOY, LLC - OR 672   2023-09-10   
971-449 2 Portland OR   732J NUSO, LLC 672   2023-04-23   
971-449 3 Portland OR   6529 T-MOBILE USA, INC. 672   2023-09-22   
971-449 4 Portland OR   6529 T-MOBILE USA, INC. 672   2023-09-22   
971-449 5 Portland OR   6529 T-MOBILE USA, INC. 672   2023-09-22   
971-449 6 Portland OR   6529 T-MOBILE USA, INC. 672   2023-09-22   
971-449 7 Portland OR   750E ONVOY, LLC - OR 672   2023-10-20   
971-449 8 Portland OR   750E ONVOY, LLC - OR 672   2023-09-10   
971-449 9 Portland OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2023-09-29   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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