Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-504 A Waterloo IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
319-504 0 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 1 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 2 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 3 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 4 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 5 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 6 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 7 Waterloo IA CDRRIAAX7MD  5562 METROPCS, INC. 635      
319-504 8 Waterloo IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
319-504 9 Waterloo IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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