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.

Glenwood Springs, CO

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-973 4 DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2021-11-20   
970-973 6 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2019-11-11   
970-973 7 DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2018-11-25   
970-973 8 DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2018-11-25   
970-973 9 DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2018-11-25   
970-987 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
970-987 0 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-06-12   
970-987 1 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-01-12   
970-987 2 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-01-26   
970-987 3 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-09-11   
970-987 4 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-10-04   
970-987 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-11-05   
970-987 6 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-06-22   
970-987 7 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-12-05   
970-987 8 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-10-18   
970-987 9 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-10-18   
970-989 A DNVRCOII0MD  6529 T-MOBILE USA, INC. 656      
970-989 0   5562 METROPCS, INC. 656      
970-989 1 ASPECOMAGT0  588A ZIPPYTECH INCORPORATED 656   2010-03-21   
970-989 2 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-06-02   
970-989 3 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-04-05   
970-989 4 AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-10   
970-989 5   145J TERRA NOVA TELECOM INC. 656   2021-04-28   
970-989 6 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-01-15   
970-989 7 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-05-23   
970-989 8 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-12-06   
970-989 9 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-11-15   

<< 1 2 3

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.