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: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-553 A Cedar Falls IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-553 0 Cedar Falls IA   829J PAETEC ITEL, LLC 635      
319-553 1 Cedar Falls IA   829J PAETEC ITEL, LLC 635      
319-553 2 Cedar Falls IA   829J PAETEC ITEL, LLC 635      
319-553 3 Cedar Falls IA   829J PAETEC ITEL, LLC 635      
319-553 4 Cedar Falls IA   829J PAETEC ITEL, LLC 635      
319-553 5 Cedar Falls IA   221F ONVOY, LLC - IA 635   2012-12-13   
319-553 6 Cedar Falls IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2014-11-30   
319-553 7 Cedar Falls IA   829J PAETEC ITEL, LLC 635      
319-553 8 Cedar Falls IA   444G AUREON COMMUNICATIONS, LLC 635   2014-12-26   
319-553 9 Cedar Falls IA   829J PAETEC ITEL, LLC 635      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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