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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-998 0 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-02-12   
970-230 9 Glenwood Springs CO 318J COMCAST IP PHONE, LLC 656   2009-04-29   
970-232 A Fort Collins CO 318J COMCAST IP PHONE, LLC 656      
970-232 9 Fort Collins CO 318J COMCAST IP PHONE, LLC 656   2006-02-02   
970-278 5 Loveland CO 318J COMCAST IP PHONE, LLC 656   2015-05-16   
970-279 5 Basalt CO 318J COMCAST IP PHONE, LLC 656   2009-11-30   
970-284 2 La Salle CO 318J COMCAST IP PHONE, LLC 656   2006-03-02   
970-286 2 Fort Collins CO 318J COMCAST IP PHONE, LLC 656   2011-10-07   
970-292 8 Loveland CO 318J COMCAST IP PHONE, LLC 656   2006-03-01   
970-294 4 Fort Collins CO 318J COMCAST IP PHONE, LLC 656   2014-07-26   
970-301 4 Greeley CO 318J COMCAST IP PHONE, LLC 656   2006-02-02   
970-340 4 Carbondale CO 318J COMCAST IP PHONE, LLC 656   2014-07-13   
970-344 5 Berthoud CO 318J COMCAST IP PHONE, LLC 656   2006-03-01   
970-363 7 Fraser CO 318J COMCAST IP PHONE, LLC 656   2009-04-29   
970-367 9 Steamboat Springs CO 318J COMCAST IP PHONE, LLC 656   2021-10-03   
970-368 6 Dillon CO 318J COMCAST IP PHONE, LLC 656   2011-04-03   
970-393 5 Vail CO 318J COMCAST IP PHONE, LLC 656   2016-08-08   
970-413 7 Fort Collins CO 318J COMCAST IP PHONE, LLC 656   2020-10-05   
970-423 6 Breckenridge CO 318J COMCAST IP PHONE, LLC 656   2011-04-03   
970-429 4 Aspen CO 318J COMCAST IP PHONE, LLC 656   2011-10-08   
970-429 8 Aspen CO 318J COMCAST IP PHONE, LLC 656   2009-04-29   
970-446 6 Edwards CO 318J COMCAST IP PHONE, LLC 656   2013-11-01   
970-447 5 Fraser CO 318J COMCAST IP PHONE, LLC 656   2019-05-17   
970-451 5 Greeley CO 318J COMCAST IP PHONE, LLC 656   2016-05-16   
970-452 2 Aspen CO 318J COMCAST IP PHONE, LLC 656   2018-12-03   
970-455 8 Dillon CO 318J COMCAST IP PHONE, LLC 656   2013-11-30   
970-460 A Windsor CO 318J COMCAST IP PHONE, LLC 656      
970-460 0 Windsor CO 318J COMCAST IP PHONE, LLC 656   2006-04-02   
970-460 9 Windsor CO 318J COMCAST IP PHONE, LLC 656   2011-07-28   
970-470 4 Vail CO 318J COMCAST IP PHONE, LLC 656   2013-12-14   
970-485 6 Dillon CO 318J COMCAST IP PHONE, LLC 656   2015-07-30   
970-504 A Carbondale CO 318J COMCAST IP PHONE, LLC 656      
970-504 3 Carbondale CO 318J COMCAST IP PHONE, LLC 656   2022-07-25   
970-510 5 Carbondale CO 318J COMCAST IP PHONE, LLC 656   2009-11-30   
970-515 5 Greeley CO 318J COMCAST IP PHONE, LLC 656   2006-11-02   
970-515 6 Greeley CO 318J COMCAST IP PHONE, LLC 656   2006-11-02   
970-536 6 New Castle CO 318J COMCAST IP PHONE, LLC 656   2015-02-27   
970-557 3 Granby CO 318J COMCAST IP PHONE, LLC 656   2009-04-29   
970-561 A Windsor CO 318J COMCAST IP PHONE, LLC 656      
970-561 6 Windsor CO 318J COMCAST IP PHONE, LLC 656   2021-10-01   
970-561 7 Windsor CO 318J COMCAST IP PHONE, LLC 656   2019-08-23   
970-561 8 Windsor CO 318J COMCAST IP PHONE, LLC 656   2021-10-01   
970-568 8 Fort Collins CO 318J COMCAST IP PHONE, LLC 656   2009-07-30   
970-573 5 Greeley CO 318J COMCAST IP PHONE, LLC 656   2011-10-01   
970-602 A Johnstown-Milliken CO 318J COMCAST IP PHONE, LLC 656      
970-602 1 Johnstown-Milliken CO 318J COMCAST IP PHONE, LLC 656   2023-05-26   
970-617 2 Loveland CO 318J COMCAST IP PHONE, LLC 656   2017-01-30   
970-619 8 Loveland CO 318J COMCAST IP PHONE, LLC 656   2010-08-16   
970-631 8 Fort Collins CO 318J COMCAST IP PHONE, LLC 656   2006-09-22   
970-632 5 Fort Collins CO 318J COMCAST IP PHONE, LLC 656   2016-07-13   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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