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: TRRLTXJODS0

Remotes:

Switch Switch name Switch type
EDWDTXTWRS0  Edgewood  RSC 
FRNYTXHIRS0  Forney  RSC 
RYCYTXNERS0  Royse City  RSC 
WLPTTXNORS0  Wills Point  RSC 
WLPTTXTRRS0  Wills Point Triangle  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-524 A Terrell EMS TX 9533 SOUTHWESTERN BELL 552      
972-551 A Terrell TX 9533 SOUTHWESTERN BELL 552      
972-563 A Terrell TX 9533 SOUTHWESTERN BELL 552      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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