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.
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Switch: DLLTTX01GMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-363 9 Lake Dallas TX 6529 T-MOBILE USA, INC. 552   2023-12-09   
940-399 A Decatur TX 5562 METROPCS, INC. 552      
940-399 0 Decatur TX 5562 METROPCS, INC. 552   2006-08-30   
940-399 2 Decatur TX 5562 METROPCS, INC. 552   2017-01-23   
940-399 4 Decatur TX 5562 METROPCS, INC. 552   2015-04-01   
940-399 6 Decatur TX 5562 METROPCS, INC. 552   2004-07-15   
940-399 7 Decatur TX 6529 T-MOBILE USA, INC. 552   2004-02-01   
940-399 8 Decatur TX 6529 T-MOBILE USA, INC. 552   2003-04-07   
940-799 0 Decatur TX 6529 T-MOBILE USA, INC. 552   2023-11-10   
940-799 2 Decatur TX 6529 T-MOBILE USA, INC. 552   2023-11-10   
940-910 4 Decatur TX 6529 T-MOBILE USA, INC. 552   2023-12-28   
940-910 5 Decatur TX 6529 T-MOBILE USA, INC. 552   2023-12-12   
940-910 6 Decatur TX 6529 T-MOBILE USA, INC. 552   2023-11-10   
940-980 6 Decatur TX 6529 T-MOBILE USA, INC. 552   2023-11-10   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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