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: MDLDTXMUDS5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
432-204 A Odessa TX 4913 VEXUS 542      
432-205 A Midland TX 4913 VEXUS 542      
432-205 0 Midland TX 4913 VEXUS 542   2004-05-17   
432-205 1 Midland TX 4913 VEXUS 542   2004-05-17   
432-205 7 Midland TX 4913 VEXUS 542   2004-05-17   
432-206 A Terminal TX 4913 VEXUS 542      
432-228 A Big Spring TX 4913 VEXUS 542     2025-05-05 

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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