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: SLKCUTMAXHY

<< 1 2 3 4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
801-801 4 Salt Lake City UT 624H ONVOY SPECTRUM, LLC 660   2023-07-21   
801-801 5 Salt Lake City UT 624H ONVOY SPECTRUM, LLC 660   2023-07-21   
801-801 6 Salt Lake City UT 624H ONVOY SPECTRUM, LLC 660   2023-07-21   
801-801 7 Salt Lake City UT 624H ONVOY SPECTRUM, LLC 660   2023-07-21   
801-801 8 Salt Lake City UT 624H ONVOY SPECTRUM, LLC 660   2023-07-21   
801-801 9 Salt Lake City UT 624H ONVOY SPECTRUM, LLC 660   2023-07-21   
801-804 7 Spanish Fork UT 624H ONVOY SPECTRUM, LLC 660   2025-01-30   
801-872 0 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2025-08-11   
801-872 2 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2025-08-11   
801-909 A Bountiful UT 624H ONVOY SPECTRUM, LLC 660      
801-909 0 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 1 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 2 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 3 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 4 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 5 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 6 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 7 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 8 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   
801-909 9 Bountiful UT 624H ONVOY SPECTRUM, LLC 660   2022-07-14   

<< 1 2 3 4

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.