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: DNVRCOII0MD

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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-760 9 Dillon CO 6529 T-MOBILE USA, INC. 656   2024-07-03   
970-778 6 Grand Junction CO 6529 T-MOBILE USA, INC. 656   2005-05-01   
970-778 7 Grand Junction CO 6529 T-MOBILE USA, INC. 656   2005-02-10   
970-778 8 Grand Junction CO 6529 T-MOBILE USA, INC. 656   2005-02-10   
970-778 9 Grand Junction CO 6529 T-MOBILE USA, INC. 656   2005-02-10   
970-779 A Durango CO 6529 T-MOBILE USA, INC. 656      
970-779 0 Durango CO 6529 T-MOBILE USA, INC. 656      
970-779 1 Durango CO 6529 T-MOBILE USA, INC. 656   2006-03-09   
970-779 2 Durango CO 6529 T-MOBILE USA, INC. 656   2015-04-13   
970-779 4 Durango CO 6529 T-MOBILE USA, INC. 656   2011-09-23   
970-779 5 Durango CO 6529 T-MOBILE USA, INC. 656   2015-03-30   
970-779 7 Durango CO 6529 T-MOBILE USA, INC. 656   2011-01-30   
970-783 2 Grand Junction CO 6529 T-MOBILE USA, INC. 656   2021-01-04   
970-792 A Fort Collins CO 6529 T-MOBILE USA, INC. 656      
970-792 9 Fort Collins CO 6529 T-MOBILE USA, INC. 656   2020-12-13   
970-793 A Greeley CO 6529 T-MOBILE USA, INC. 656      
970-793 0 Greeley CO 5562 METROPCS, INC. 656   2020-11-17   
970-793 1 Greeley CO 5562 METROPCS, INC. 656   2020-11-17   
970-793 5 Greeley CO 6529 T-MOBILE USA, INC. 656   2020-11-16   
970-793 6 Greeley CO 6529 T-MOBILE USA, INC. 656   2020-11-16   
970-793 7 Greeley CO 6529 T-MOBILE USA, INC. 656   2020-11-16   
970-793 8 Greeley CO 6529 T-MOBILE USA, INC. 656   2020-11-16   
970-793 9 Greeley CO 6529 T-MOBILE USA, INC. 656   2020-11-16   
970-799 9 Durango CO 6529 T-MOBILE USA, INC. 656   2014-12-27   
970-804 A Greeley CO 6529 T-MOBILE USA, INC. 656      
970-804 5 Greeley CO 6529 T-MOBILE USA, INC. 656   2022-03-10   
970-804 6 Greeley CO 6529 T-MOBILE USA, INC. 656   2022-03-10   
970-804 7 Greeley CO 6529 T-MOBILE USA, INC. 656   2022-03-10   
970-804 8 Greeley CO 6529 T-MOBILE USA, INC. 656   2022-03-10   
970-804 9 Greeley CO 6529 T-MOBILE USA, INC. 656   2021-12-27   
970-814 A Durango CO 6529 T-MOBILE USA, INC. 656      
970-814 3 Durango CO 6529 T-MOBILE USA, INC. 656   2024-01-21   
970-814 4 Durango CO 6529 T-MOBILE USA, INC. 656   2024-01-21   
970-814 5 Durango CO 6529 T-MOBILE USA, INC. 656   2022-05-20   
970-814 6 Durango CO 6529 T-MOBILE USA, INC. 656   2022-05-20   
970-814 7 Durango CO 6529 T-MOBILE USA, INC. 656   2022-05-20   
970-814 8 Durango CO 6529 T-MOBILE USA, INC. 656   2022-03-28   
970-814 9 Durango CO 6529 T-MOBILE USA, INC. 656   2022-03-28   
970-815 A Greeley CO 6529 T-MOBILE USA, INC. 656      
970-815 5 Greeley CO 5562 METROPCS, INC. 656   2014-09-02   
970-815 9 Greeley CO 6529 T-MOBILE USA, INC. 656   2014-05-04   
970-816 A Cortez CO 6529 T-MOBILE USA, INC. 656      
970-816 7 Cortez CO 6529 T-MOBILE USA, INC. 656   2023-08-09   
970-817 7 Fort Collins CO 6529 T-MOBILE USA, INC. 656   2017-04-23   
970-821 7 Fort Collins CO 6529 T-MOBILE USA, INC. 656   2016-10-09   
970-822 A Grand Junction CO 6529 T-MOBILE USA, INC. 656      
970-822 9 Grand Junction CO 6529 T-MOBILE USA, INC. 656   2015-01-25   
970-825 A Fort Collins CO 6529 T-MOBILE USA, INC. 656      
970-825 2 Fort Collins CO 6529 T-MOBILE USA, INC. 656   2015-10-12   
970-825 3 Fort Collins CO 6529 T-MOBILE USA, INC. 656   2015-10-12   

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

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.