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: DNVTCO56DS8

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-744 3 Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
970-744 4 Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-744 5 Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
970-744 6 Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-08   
970-744 7 Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-03-09   
970-760 A Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-760 0 Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-01-23   
970-762 A Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-762 0 Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-763 A Vail CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-763 0 Vail CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-765 A Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-771 9 Breckenridge CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-12-03   
970-778 A Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-778 3 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-02-02   
970-778 4 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-785 7 Platteville CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-03-25   
970-785 8 Platteville CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-805 A Mead CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-805 1 Mead CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-04-04   
970-805 4 Mead CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-05-15   
970-809 7 Red Feather Lakes CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-812 A Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-812 0 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-812 1 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-812 4 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-816 5 Cortez CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-01-23   
970-818 5 Fort Collins CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-29   
970-823 A Olathe CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-823 1 Olathe CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-06-26   
970-838 1 Walden CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-839 7 Silt CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-01-06   
970-840 A Brush CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-840 2 Brush CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-01-14   
970-843 5 Allison CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-852 3 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2016-02-10   
970-853 A Gypsum CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-853 7 Gypsum CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-04-18   
970-854 0 Holyoke CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2025-03-05   
970-855 1 Edwards CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-01-14   
970-868 5 Hot Sulphur Springs CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-01-06   
970-877 4 Lake City CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-884 3 Bayfield CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-890 3 Oak Creek CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-01-06   
970-909 3 Greeley CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-01-31   
970-933 8 Rangely CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-966 2 Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-02-16   
970-977 2 Vail CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-05-29   
970-984 4 New Castle CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-986 4 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-04-27   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.