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: DMMTTXXAPS0

Remotes:

Switch Switch name Switch type
DMMTTXXARP0  DIMMITT  DCN 
HARTTXXARP0  HART  RP 
HARTTXXARS0  HART  DCL 
NZRTTXXARP0  NAZARETH  RP 
NZRTTXXARS0  NAZARETH  DCL 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-436 A Dimmitt TX 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 546      
806-436 9 Dimmitt TX 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 546   2017-11-25   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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