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: DLLTTX01DMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-223 A Irving TX 5562 METROPCS, INC. 552      
214-529 A Irving TX 5562 METROPCS, INC. 552      
214-636 A Irving TX 5562 METROPCS, INC. 552      
214-783 A Irving TX 5562 METROPCS, INC. 552      
214-995 A Irving TX 5562 METROPCS, INC. 552      
469-379 A Irving TX 5562 METROPCS, INC. 552      
469-595 A Kaufman TX 6529 T-MOBILE USA, INC. 552      
469-845 A Irving TX 5562 METROPCS, INC. 552      
469-957 A Irving TX 5562 METROPCS, INC. 552      
903-275 A Athens TX 6529 T-MOBILE USA, INC. 552      
903-288 A Athens TX 6529 T-MOBILE USA, INC. 552      
945-342 A Irving TX 6529 T-MOBILE USA, INC. 552   2024-09-16   
945-358 A Irving TX 6529 T-MOBILE USA, INC. 552   2025-01-03   
945-360 A Irving TX 6529 T-MOBILE USA, INC. 552   2025-01-17   
945-998 A Irving TX 6529 T-MOBILE USA, INC. 552   2024-11-15   
972-821 A Irving TX 5562 METROPCS, INC. 552      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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