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: DNVRCO26XSX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-397 6 Denver CO 145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-438 3 Longmont CO 145J TERRA NOVA TELECOM INC. 656   2024-07-08   
720-686 6 Denver CO 145J TERRA NOVA TELECOM INC. 656   2024-09-12   
720-794 6 Allens Park-Lyons CO 145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-796 2 Georgetown CO 145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-824 7 Hudson CO 145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-856 8 Fort Lupton CO 145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-866 A Denver CO 145J TERRA NOVA TELECOM INC. 656      
720-894 6 Deckers CO 145J TERRA NOVA TELECOM INC. 656   2024-02-14   
970-291 2 Steamboat Springs CO 145J TERRA NOVA TELECOM INC. 656   2024-08-21   
970-333 2 Dillon CO 145J TERRA NOVA TELECOM INC. 656   2024-11-12   
970-361 9 Grand Junction CO 145J TERRA NOVA TELECOM INC. 656   2024-02-02   
970-444 6 Bayfield CO 145J TERRA NOVA TELECOM INC. 656   2024-09-09   
970-480 3 Estes Park CO 145J TERRA NOVA TELECOM INC. 656   2024-08-21   
970-486 9 Dillon CO 145J TERRA NOVA TELECOM INC. 656   2024-05-10   
970-536 4 New Castle CO 145J TERRA NOVA TELECOM INC. 656   2024-09-09   
970-645 4 Weldona CO 145J TERRA NOVA TELECOM INC. 656   2024-08-21   
970-772 7 Gilcrest CO 145J TERRA NOVA TELECOM INC. 656   2024-08-08   
970-816 9 Cortez CO 145J TERRA NOVA TELECOM INC. 656   2024-05-10   
970-868 6 Hot Sulphur Springs CO 145J TERRA NOVA TELECOM INC. 656   2024-02-02   
970-904 4 Vail CO 145J TERRA NOVA TELECOM INC. 656   2024-02-14   
970-904 5 Vail CO 145J TERRA NOVA TELECOM INC. 656   2024-12-30   
970-995 9 New Castle CO 145J TERRA NOVA TELECOM INC. 656   2022-12-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.