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: NANSMEXADS1

Remotes:

Switch Switch name Switch type
ATHNMEXARS2  ATHENS  RS 
BGLWMEXARS0  BIGELOW  5RS 
CRBSMEXARS1  CARRABASSETT  61S 
EMLKMEXARS2  EMBDEN LAKE  RS 
KGFDMEXARS1  KINGFIELD  61S 
MRCRMEXARS2  MERCER  RS 
NNPRMEXARS2  NORTH NEW PORTLAND  RS 
NRDGMEXARS0  NORRIDGEWOCK  RS 
NWVNMEXARS2  NEW VINEYARD  RS 
PHLPMEXARS2  PHILLIPS  RS 
ROMEMEXARS2  ROME  RS 
SALMMEXARS2  SALEM  RS 
SMFDMEXARS2  SMITHFIELD  RS 
SOLNMEXARS2  SOLON  RS 
SRTNMEXARS1  STRATTON  61S 
STRNMEXARS0  STRONG  RS 
WELDMEXARS2  WELD  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

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

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