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.

NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 595

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-595 A Waterloo IA   593K MCC TELEPHONY LLC 635      
319-595 0 Waterloo IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-595 1 Waterloo IA CDRRIAIC2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635      
319-595 2 Waterloo IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-595 3 Waterloo IA WTRLIA767MD  6529 T-MOBILE USA, INC. 635      
319-595 4 Waterloo IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-595 5 Waterloo IA CDRRIAAXUMD  5562 METROPCS, INC. 635      
319-595 6 Waterloo IA CDRRIAAXUMD  5562 METROPCS, INC. 635      
319-595 7 Waterloo IA WTRLIA767MD  6529 T-MOBILE USA, INC. 635      
319-595 8 Waterloo IA WTRLIA767MD  6529 T-MOBILE USA, INC. 635      
319-595 9 Waterloo IA WTRLIA767MD  6529 T-MOBILE USA, INC. 635      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.