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: ABLNTXORXMX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-901 4 Abilene TX 6529 T-MOBILE USA, INC. 550   2021-07-26   
325-901 5 Abilene TX 6529 T-MOBILE USA, INC. 550   2021-07-26   
325-933 A Sweetwater TX 5562 METROPCS, INC. 550      
325-933 0 Sweetwater TX 5562 METROPCS, INC. 550      
325-933 7 Sweetwater TX 5562 METROPCS, INC. 550   2016-05-13   

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Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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