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.

Switch: PTLDORWADS2

Remotes:

Switch Switch name Switch type
SCIOORXARS0  SCIO  DMT 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
971-999 5 Yamhill OR 750E ONVOY, LLC - OR 672   2019-11-08   
971-999 7 Yamhill OR 750E ONVOY, LLC - OR 672   2013-01-17   
971-999 8 Yamhill OR 750E ONVOY, LLC - OR 672   2013-01-17   
971-999 9 Yamhill OR 750E ONVOY, LLC - OR 672   2013-01-18   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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