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: GLMNMNXG38G

Remotes:

Switch Switch name Switch type
BOCKMNXBRS5  BOCK  DMT 
FOTNMNXFRS2  FORESTON  DMT 
MILCMN01RS0  MILACA  DLM 
RAMYMNXRRS3  RAMEY  DMT 
RICEMNXRRS3  RICE  DMT 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-387 A Gilman MN 1356 BENTON COOP. TEL. CO. 626      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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