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.

Fort Collins, CO

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-232 0 DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2009-10-23   
970-232 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2004-06-12   
970-232 2 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-01-14   
970-232 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2005-01-22   
970-232 4 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-07-11   
970-232 5 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-07   
970-232 6 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
970-232 7   145J TERRA NOVA TELECOM INC. 656   2021-04-28   
970-232 8 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
970-232 9 DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2006-02-02   
970-237 A FTCLCOHMDS0  9636 QWEST CORPORATION 656      
970-237 0 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-08-23   
970-237 1 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-01-19   
970-237 2 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-01-31   
970-237 3 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-01-28   
970-237 4 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-01-28   
970-237 5 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-02-01   
970-237 6 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-02-13   
970-237 7 FTCLCOHMDS0  9636 QWEST CORPORATION 656   2007-06-25   
970-237 8 FTCLCOHMDS0  9636 QWEST CORPORATION 656   2007-06-25   
970-237 9 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-12-19   
970-266 A FTCLCOHMDS0  9636 QWEST CORPORATION 656      
970-267 A FTCLCOHMDS0  9636 QWEST CORPORATION 656      
970-282 A FTCLCOHMDS0  9636 QWEST CORPORATION 656      
970-286 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-286 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-08-28   
970-286 1 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-06-19   
970-286 2 DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2011-10-07   
970-286 3 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-18   
970-286 4 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-11-19   
970-286 5 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-05-11   
970-286 6 AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2011-12-14   
970-286 7 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-08-19   
970-286 8 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
970-286 9 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-07-28   
970-288 A FTCLCOHMDS0  9636 QWEST CORPORATION 656      
970-294 A DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-294 0 DNVRCO03DS1  5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO 656   2014-08-07   
970-294 1 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-07-04   
970-294 2 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-06   
970-294 3 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2015-10-09   
970-294 4 DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-26   
970-294 5 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-08-26   
970-294 6 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-08-26   
970-294 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-07-25   
970-294 8 DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2014-05-18   
970-294 9 DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2014-05-18   
970-295 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-295 0 DNVTCOZI6MD  073H TELNYX LLC 656   2023-07-13   
970-295 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2023-09-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.