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.

Switch: CDRRIADTKMD

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-402 4 Iowa City IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-402 5 Iowa City IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-402 6 Iowa City IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-402 7 Iowa City IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-402 8 Iowa City IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-402 9 Iowa City IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 0 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 1 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 2 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 3 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 4 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 5 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 6 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-403 7 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2023-08-11   
319-406 3 Denver IA 221F ONVOY, LLC - IA 635   2018-04-13   
319-406 5 Denver IA 221F ONVOY, LLC - IA 635   2021-03-14   
319-406 6 Denver IA 221F ONVOY, LLC - IA 635   2019-09-19   
319-406 7 Denver IA 221F ONVOY, LLC - IA 635   2008-09-04   
319-406 9 Denver IA 221F ONVOY, LLC - IA 635   2021-04-24   
319-407 2 Waverly IA 221F ONVOY, LLC - IA 635   2022-02-15   
319-408 5 Lisbon IA 221F ONVOY, LLC - IA 635   2021-04-24   
319-408 6 Lisbon IA 221F ONVOY, LLC - IA 635   2021-04-24   
319-408 8 Lisbon IA 221F ONVOY, LLC - IA 635   2020-06-26   
319-409 6 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2012-12-13   
319-409 7 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2012-12-13   
319-409 8 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2012-12-13   
319-409 9 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2012-12-13   
319-410 0 Oelwein IA 221F ONVOY, LLC - IA 635   2023-07-24   
319-410 2 Oelwein IA 221F ONVOY, LLC - IA 635   2022-02-28   
319-410 8 Oelwein IA 221F ONVOY, LLC - IA 635   2023-10-15   
319-410 9 Oelwein IA 221F ONVOY, LLC - IA 635   2023-10-15   
319-413 A Troy Mills IA 221F ONVOY, LLC - IA 635      
319-413 1 Troy Mills IA 221F ONVOY, LLC - IA 635   2023-06-15   
319-419 4 Waverly IA 221F ONVOY, LLC - IA 635   2019-09-19   
319-419 5 Waverly IA 221F ONVOY, LLC - IA 635   2020-01-27   
319-419 6 Waverly IA 221F ONVOY, LLC - IA 635   2020-05-15   
319-419 7 Waverly IA 221F ONVOY, LLC - IA 635   2020-05-15   
319-420 A Waterloo IA 221F ONVOY, LLC - IA 635      
319-420 3 Waterloo IA 221F ONVOY, LLC - IA 635   2023-08-28   
319-420 7 Waterloo IA 221F ONVOY, LLC - IA 635   2024-02-25   
319-420 8 Waterloo IA 221F ONVOY, LLC - IA 635   2024-02-25   
319-420 9 Waterloo IA 221F ONVOY, LLC - IA 635   2024-02-25   
319-422 A Parkersburg IA 221F ONVOY, LLC - IA 635      
319-422 2 Parkersburg IA 221F ONVOY, LLC - IA 635   2021-06-14   
319-422 3 Parkersburg IA 221F ONVOY, LLC - IA 635   2021-06-14   
319-422 4 Parkersburg IA 221F ONVOY, LLC - IA 635   2021-06-14   
319-422 5 Parkersburg IA 221F ONVOY, LLC - IA 635   2021-06-14   
319-422 7 Parkersburg IA 221F ONVOY, LLC - IA 635   2021-12-06   
319-422 8 Parkersburg IA 221F ONVOY, LLC - IA 635   2021-12-06   
319-423 7 Cedar Rapids IA 221F ONVOY, LLC - IA 635   2010-09-23   

<< 1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.