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: MDLDTXMUDS0

Remotes:

Switch Switch name Switch type
CRANTXCRRS0  Crane  5ER 
IRANTXIRRS0  Iraan  5ER 
MCMYTXMCRS0  McCamey  5ER 
MDKFTXMKRS0  Midkiff  5ER 
MDLDTXOXRS1  MIDLAND  5ER 
ODSSTXEMRS1  ODESSA  5ER 
ODSSTXLIRS1  ODESSA  5ER 
RNKNTXRKRS0  Rankin  5ER 
SMNLTXSMRS0  Seminole  5ER 
SNTNTXSNRS0  Stanton  5ER 
TRMNTXTERS0  Terminal  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
432-221 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-498 A Terminal TX 9533 SOUTHWESTERN BELL 542      
432-570 A Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 0 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 1 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 3 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 4 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 5 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 6 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 7 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 8 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-570 9 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 A Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 1 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 2 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 3 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 4 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 5 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 7 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-571 8 Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-620 A Midland EACS TX 9533 SOUTHWESTERN BELL 542      
432-682 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-683 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-684 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-685 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-686 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-687 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-688 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 0 Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 1 Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 2 Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 3 Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 4 Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 5 Midland TX 9533 SOUTHWESTERN BELL 542      
432-742 7 Midland TX 9533 SOUTHWESTERN BELL 542      
432-818 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-818 0 Midland TX 9533 SOUTHWESTERN BELL 542      
432-818 1 Midland TX 9533 SOUTHWESTERN BELL 542   2010-06-11   
432-818 2 Midland TX 9533 SOUTHWESTERN BELL 542      
432-994 A Midland TX 9533 SOUTHWESTERN BELL 542      
432-994 0 Midland TX 9533 SOUTHWESTERN BELL 542   2016-03-18   

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

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