Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DNVTCO56DS8

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-368 A Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-372 A Fort Collins CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-373 A Greeley CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-422 A Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-425 A Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-427 A Fort Morgan CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-455 A Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-456 A Glenwood Springs CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-457 A Steamboat Springs CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-458 A Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-459 A Durango CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-497 A Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-557 A Granby CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-639 A Fruita CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-658 A Fort Collins CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-660 A Johnstown-Milliken CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-672 A Fort Collins CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-673 A Greeley CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-688 A Vail CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-730 A Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-744 A Loveland CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-760 A Dillon CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-762 A Sterling CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-763 A Vail CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-765 A Montrose CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-778 A Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-805 A Mead CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-812 A Grand Junction CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-823 A Olathe CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-840 A Brush CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-853 A Gypsum CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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