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: HMTNORAXDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
541-215 1 Pendleton OR 3955 EASTERN OREGON TELECOM, LLC - OR 672   2006-12-04   
541-289 A Hermiston OR 3955 EASTERN OREGON TELECOM, LLC - OR 672      
541-376 4 Echo OR 3955 EASTERN OREGON TELECOM, LLC - OR 672   2013-04-14   
541-449 4 Stanfield OR 3955 EASTERN OREGON TELECOM, LLC - OR 672   2013-04-14   
541-616 A Boardman OR 3955 EASTERN OREGON TELECOM, LLC - OR 672      
541-626 2 Umatilla OR 3955 EASTERN OREGON TELECOM, LLC - OR 672   2007-03-09   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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