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: TXRKTXXA9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-200 A Texarkana TX 5562 METROPCS, INC. 554      
430-291 A Texarkana TX 6529 T-MOBILE USA, INC. 554      
870-621 A Texarkana AR 5562 METROPCS, INC. 554      
903-244 A Texarkana TX 5562 METROPCS, INC. 554      
903-314 A New Boston TX 5562 METROPCS, INC. 554      
903-319 A Hooks TX 6529 T-MOBILE USA, INC. 554      
903-336 A Texarkana TX 6529 T-MOBILE USA, INC. 554      
903-506 A Texarkana TX 5562 METROPCS, INC. 554      
903-691 A Texarkana TX 5562 METROPCS, INC. 554      
903-899 A Texarkana TX 6529 T-MOBILE USA, INC. 554      
903-933 A DeKalb TX 6529 T-MOBILE USA, INC. 554      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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