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: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 352

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-352 A Omaha NE OMAKNEYW9MD  490J DISH WIRELESS, LLC 644   2024-03-11   
531-352 0 Omaha NE OMAKNEYW9MD  490J DISH WIRELESS, LLC 644   2024-03-11   
531-352 1 Omaha NE OMAKNEYW9MD  490J DISH WIRELESS, LLC 644   2024-05-31   
531-352 2 Omaha NE OMAHNE16XHX  732J NUSO, LLC 644   2024-03-12   
531-352 3 Omaha NE OMAHNE16XHX  732J NUSO, LLC 644   2024-03-12   
531-352 4 Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2024-03-12   
531-352 5 Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2024-03-12   
531-352 6 Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2024-03-12   
531-352 7 Omaha NE   145J TERRA NOVA TELECOM INC. 644   2025-08-20   
531-352 8 Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2025-09-07   
531-352 9 Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2025-09-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.