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: WRLDWYXCDS1

Remotes:

Switch Switch name Switch type
ALBNWYXCRS1  ALBIN  1RC 
ARVDWYXCRS1  ARVADA  DLM 
BGGSWYXCRS0  BAGGS  DMT 
BRNSWYXCRS1  BURNS  RSC 
CLMTWYXCRS1  CLEARMONT  DLM 
CRPNWYXCRS1  CARPENTER  1RC 
DCKRMTXCRS1  DECKER  DLM 
DUBSWYXCRS0  DUBOIS  DMT 
GSHLWYAARS0  GAS HILLS  RSC 
HLTTWYXCRS1  HULETT  RSC 
JFCYWYXCRS0  JEFFREY CITY  RSC 
KAYCWYABRS1  KAYCEE  RSC 
MDWSWYXCRS1  MIDWEST  RLC 
MRCRWYXCRS1  MOORCROFT  RSC 
NWCSWYXCRS0  NEWCASTLE  RSC 
OSAGWYXCRS1  OSAGE  1RC 
PNBLWYXCRS0  PINE BLUFFS  RS 
SESNWYXCRS0  S E SHERIDAN  RS 
SHSHWYXCRS0  SHOSHONI  RSC 
SNDNWYXCRS0  SUNDANCE  RSC 
THRMWYXCRS1  THERMOPOLIS  RSC 
UPTNWYXCRS1  UPTON  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-347 A Worland WY 3410 RT COMMUNICATIONS 654      
307-375 A Worland WY 3410 RT COMMUNICATIONS 654      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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