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: FRFDTXXBPS0

Remotes:

Switch Switch name Switch type
AVLNTXXARP0  AVALON  RP 
BLGVTXXARP0  BLOOMING GROVE  RP 
EKHTTXXARP0  ELKHART  RP 
FRSTTXXARP0  FROST  RP 
MLFRTXXARP0  MILFORD  RP 
OKWDTXXARP0  OAKWOOD  RP 
RCLDTXXARP0  RICHLAND  RP 
SLCMTXXARP0  SLOCUM  RP 
STMNTXXARP0  STREETMAN  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-253 A Fairfield TX 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552      
430-253 9 Fairfield TX 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552   2019-04-11   

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

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