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: LGVWTXBA47Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
903-946 8 Pittsburg TX 6529 T-MOBILE USA, INC. 554   2022-09-14   
903-952 5 Tyler TX 5562 METROPCS, INC. 554   2009-02-12   
903-952 6 Tyler TX 5562 METROPCS, INC. 554   2009-02-12   
903-960 7 Pittsburg TX 6529 T-MOBILE USA, INC. 554   2025-03-10   
903-960 9 Pittsburg TX 6529 T-MOBILE USA, INC. 554   2025-03-10   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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