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: LNGDNDXADS2

Remotes:

Switch Switch name Switch type
MLTNNDXARS4  MILTON  DCN 
MNCHNDXARS6  MUNICH  DCN 
RCLKNDXARS2  ROCK LAKE  DCN 
SRLSNDXARS6  SARLES  DCN 
WALSNDXARS2  WALES  DCN 
WLHLNDXARS5  WALHALLA  DCN 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-256 A Langdon ND 1636 UNITED TELEPHONE MUTUAL AID CORP. 636      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.