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: SHRDORXADS0

Remotes:

Switch Switch name Switch type
BEVRORXARS0  BEAVER  RLC 
BYCYORXARS0  BAY CITY  RSC 
CODLORXARS0  CLOVERDALE  RLC 
CRTOORXARS0  CARLTON  RSC 
GRBLORXARS0  GARIBALDI  RSC 
GRRNORXARS0  GRAND RONDE  RLC 
LNCYORXXRS0  LINCOLN CITY  RSC 
PCCYORXXRS0  PACIFIC CITY  RLC 
RKWYORXARS0  ROCKAWAY  RSC 
TLMKORXARS0  TILLAMOOK  RSC 
WLMNORXBRS0  WILLAMINA  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-843 A Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 0 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 1 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 2 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 3 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 4 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 5 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 6 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      
503-843 7 Sheridan OR 4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 672      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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