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: MDLDTXMUXRX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
432-203 A Midland TX 903C ONVOY, LLC - TX 542      
432-224 A Midland TX 903C ONVOY, LLC - TX 542      
432-225 A Odessa TX 903C ONVOY, LLC - TX 542      
432-239 A Balmorhea TX 903C ONVOY, LLC - TX 542      
432-265 A Terminal TX 903C ONVOY, LLC - TX 542      
432-274 A Forsan TX 903C ONVOY, LLC - TX 542      
432-278 A McCamey TX 903C ONVOY, LLC - TX 542      
432-286 A Mentone TX 903C ONVOY, LLC - TX 542      
432-287 A Pecos TX 903C ONVOY, LLC - TX 542      
432-314 A Imperial TX 903C ONVOY, LLC - TX 542      
432-340 A Big Spring TX 903C ONVOY, LLC - TX 542   2024-08-03   
432-341 A Odessa TX 903C ONVOY, LLC - TX 542   2024-08-08   
432-347 A Andrews TX 903C ONVOY, LLC - TX 542   2024-08-12   
432-372 A Kermit TX 903C ONVOY, LLC - TX 542      
432-400 A Midland TX 903C ONVOY, LLC - TX 542      
432-410 A Midland TX 903C ONVOY, LLC - TX 542      
432-423 A Fort Stockton TX 903C ONVOY, LLC - TX 542      
432-472 A Mentone TX 903C ONVOY, LLC - TX 542      
432-505 A Midland TX 903C ONVOY, LLC - TX 542      
432-577 A Odessa TX 903C ONVOY, LLC - TX 542      
432-617 A Terminal TX 903C ONVOY, LLC - TX 542      
432-666 A Orla TX 903C ONVOY, LLC - TX 542      
432-732 A Terminal TX 903C ONVOY, LLC - TX 542      
432-777 A Imperial TX 903C ONVOY, LLC - TX 542      
432-888 A Odessa TX 903C ONVOY, LLC - TX 542      
432-999 A Terminal TX 903C ONVOY, LLC - TX 542      
915-278 A Sierra Blanca TX 903C ONVOY, LLC - TX 542      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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