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: LNBHWAAA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-747 A Longview WA 6270 UNITED STATES CELLULAR - WA 672      
360-749 A Longview WA 6270 UNITED STATES CELLULAR - WA 672      
360-751 A Longview WA 6270 UNITED STATES CELLULAR - WA 672      
360-783 A Long Beach WA 6270 UNITED STATES CELLULAR - WA 672      
458-219 A Hermiston OR 6349 UNITED STATES CELLULAR - OR 672      
458-255 A Hermiston OR 6349 UNITED STATES CELLULAR - OR 672      
509-261 A Goldendale WA 6270 UNITED STATES CELLULAR - WA 672      
509-281 A White Salmon WA 6270 UNITED STATES CELLULAR - WA 672      
541-240 A Pendleton OR 6349 UNITED STATES CELLULAR - OR 672      
541-256 A Heppner OR 6349 UNITED STATES CELLULAR - OR 672      
541-377 A Pendleton OR 6349 UNITED STATES CELLULAR - OR 672      
541-379 A Pendleton OR 6349 UNITED STATES CELLULAR - OR 672      
541-398 A Enterprise OR 6349 UNITED STATES CELLULAR - OR 672      
541-403 A Baker OR 6349 UNITED STATES CELLULAR - OR 672      
541-413 A Burns OR 6349 UNITED STATES CELLULAR - OR 672      
541-420 A Bend OR 6349 UNITED STATES CELLULAR - OR 672      
541-571 A Hermiston OR 6349 UNITED STATES CELLULAR - OR 672      
541-771 A Bend OR 6349 UNITED STATES CELLULAR - OR 672      
541-792 A John Day OR 6349 UNITED STATES CELLULAR - OR 672      
541-806 A Hood River OR 6349 UNITED STATES CELLULAR - OR 672      
541-815 A Bend OR 6349 UNITED STATES CELLULAR - OR 672      
541-910 A La Grande OR 6349 UNITED STATES CELLULAR - OR 672      
541-970 A Pendleton OR 6349 UNITED STATES CELLULAR - OR 672      
541-977 A Bend OR 6349 UNITED STATES CELLULAR - OR 672      
541-978 A The Dalles OR 6349 UNITED STATES CELLULAR - OR 672      
541-993 A The Dalles OR 6349 UNITED STATES CELLULAR - OR 672      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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