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: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-299 A Belle Plaine IA BLLPIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-299 0 Belle Plaine IA   444G AUREON COMMUNICATIONS, LLC 635   2023-07-08   
319-299 2 Belle Plaine IA   221F ONVOY, LLC - IA 635   2021-09-18   
319-299 3 Belle Plaine IA   221F ONVOY, LLC - IA 635   2021-05-07   
319-299 4 Belle Plaine IA   221F ONVOY, LLC - IA 635   2021-12-10   
319-299 7 Belle Plaine IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2017-06-09   
319-299 8 Belle Plaine IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-03-10   
319-299 9 Belle Plaine IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635   2016-09-25   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.