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: AUSTTXHIDS0

Remotes:

Switch Switch name Switch type
AUSTTXEVRS2  AUSTIN  ORM 
AUSTTXGRRS0  AUSTIN  5PR 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-326 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-373 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-373 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-373 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-373 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-383 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-416 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-424 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-428 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-428 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-428 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-428 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-428 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-428 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-428 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-432 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-433 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-434 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-434 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-434 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-434 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-434 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-435 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-436 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-436 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-437 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-438 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-440 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-441 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-442 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-443 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-444 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-445 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-447 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-448 A Austin TX 9533 SOUTHWESTERN BELL 558      

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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