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: MPLSMNDT1GT

Remotes:

Switch Switch name Switch type
CDRRIADT48T  CEDAR RAPIDS  RSM 
CDRRIADTRS5  CEDAR RAPIDS  RS 
DESMIADT39T  DES MOINES  RSM 
DESMIADTRS1  DES MOINES  RS 
DLTHMNME22T  DULUTH  5E 
DVNPIAEA28T  BETTENDORF  RSM 
DVNPIAEARS4  BETTENDORF  RS 
FARGNDBC22T  FARGO  5ER 
GDISNENWRS4  GRAND ISLAND  RS 
OMAHNENW27T  OMAHA  RSM 
OMAHNENWRS5  OMAHA  5E 
OWTNMNOW22T  OWATONNA  5ER 
ROCHMNRO22T  ROCHESTER  5ER 
STCDMNTO22T  ST CLOUD  RSM 
SXCYIADT38T  SIOUX CITY  RSM 
SXCYIADTRS3  SIOUX CITY  RS 
SXFLSDCO10T  SIOUX FALLS  5E 
SXFLSDCORS2  SIOUX FALLS  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
612-218 A Twin Cities MN 9631 QWEST CORPORATION 628      

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

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