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: MDSNWIGJDS1

Remotes:

Switch Switch name Switch type
BLERWIXARS0  BLACK EARTH  RS 
CRPLWIXARS1  CROSS PLAINS  RS 
MDTNWIXARS0  MIDDLETON PARMENTER  RS 
MDTNWIXBRS0  MIDDLETON WEST TOWNE  RS 
MTVRWIXARS2  MOUNT VERNON  5XC 
NWGLWIXARL0  NEW GLARUS  DS 
VRNAWIXARS0  VERONA  RS 
WAUNWIXARS0  WAUNAKEE  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.