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: CRCHTXTUDS0

Remotes:

Switch Switch name Switch type
ALICTXALDS0  Alice  EXM 
CRCHTXBURS2  Butler ISDN  ORM 
CRCHTXWYRS1  Wyman ISDN  ORM 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-902 6 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-902 7 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-902 9 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-903 A Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-903 1 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-903 3 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-903 6 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-903 7 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-904 A Corpus Christi TX 9533 SOUTHWESTERN BELL 564      
361-904 0 Corpus Christi TX 9533 SOUTHWESTERN BELL 564      

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

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