Local Calling Guide

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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 CDRRIAIC2MD  593K MCC TELEPHONY LLC 635      
319-595 0 Waterloo IA   221F ONVOY, LLC - IA 635   2019-09-19   
319-595 1 Waterloo IA   593K MCC TELEPHONY LLC 635   2018-08-05   
319-595 2 Waterloo IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-12-05   
319-595 3 Waterloo IA   6529 T-MOBILE USA, INC. 635   2018-09-21   
319-595 4 Waterloo IA   221F ONVOY, LLC - IA 635   2019-09-19   
319-595 5 Waterloo IA   5562 METROPCS, INC. 635   2018-08-06   
319-595 6 Waterloo IA   5562 METROPCS, INC. 635   2018-08-06   
319-595 7 Waterloo IA   6529 T-MOBILE USA, INC. 635   2018-09-21   
319-595 8 Waterloo IA   6529 T-MOBILE USA, INC. 635   2018-09-21   
319-595 9 Waterloo IA   6529 T-MOBILE USA, INC. 635   2018-09-21   

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

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