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: BUMTTXTWDS0

Remotes:

Switch Switch name Switch type
CHINTXCHRS1  CHINA  RSC 
DWVLTXDWRS0  DEWEYVILLE  RSC 
LMTNTXLMRS0  LUMBERTON  RSC 
SLSBTXSLRS0  SILSBY  RSC 
WLWDTXWLRS1  WILDWOOD  RSC 
WRRNTXWRRS1  WARREN  RSC 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
409-923 3 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-923 4 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-923 5 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-923 7 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 A Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 0 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 2 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 3 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 5 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 6 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 7 Beaumont TX 9533 SOUTHWESTERN BELL 562      
409-924 9 Beaumont TX 9533 SOUTHWESTERN BELL 562      

<< 1 2

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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