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: MLRSMNXMDS0

Remotes:

Switch Switch name Switch type
EDVYMNXERS4  EDEN VALLEY  DCO 
GNWLMNXGRS9  GREENWALD  DCO 
GRYEMNXGRS2  GREY EAGLE  DCO 
KMBLMNXKRS3  KIMBALL  RS 
RCMDMNXRRS7  RICHMOND  RS 
SKCTMN01RL0  SAUK CENTRE  EWSD 
STMNMNXSRS5  ST MARTIN  DCO 
WTKNMNXWRS7  WATKINS  DCO 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-256 A Melrose MN 1430 MELROSE TEL. CO. 626      

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

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