Local Calling Guide

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-373 5 Greeley CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-03-08   
970-387 4 Silverton CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-399 1 Delta CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-01-28   
970-422 A Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-422 1 Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-06-16   
970-422 4 Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-425 A Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-425 4 Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-427 A Fort Morgan CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-427 5 Fort Morgan CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-01-14   
970-432 9 Eagle CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2018-09-07   
970-438 3 Palisade CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-01-07   
970-441 3 Fort Morgan CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-29   
970-454 6 Eaton CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-454 7 Eaton CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-01-28   
970-455 A Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-455 0 Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-455 3 Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-01-11   
970-455 4 Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-456 A Glenwood Springs CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-456 4 Glenwood Springs CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-457 A Steamboat Springs CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-457 4 Steamboat Springs CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-458 A Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-458 4 Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-459 A Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-459 1 Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-459 4 Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-460 1 Windsor CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-04-03   
970-460 3 Windsor CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-12-09   
970-469 4 Otis CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-04   
970-480 0 Estes Park CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-01-28   
970-497 A Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-497 1 Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-03-16   
970-497 2 Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-03-16   
970-497 3 Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-03-16   
970-497 4 Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-514 1 Akron CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-02   
970-525 7 Paonia CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-08-06   
970-533 6 Mancos CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-01-07   
970-535 2 Mead CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-541 5 Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-09-01   
970-543 8 Mesa CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-549 3 Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-07-05   
970-557 A Granby CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-557 4 Granby CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-563 8 Ignacio CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-572 5 Rangely CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2017-01-06   
970-577 6 Estes Park CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-578 8 Johnstown-Milliken CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-01-03   

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

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