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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-707 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-708 A Denver CO DNVRCO26PS1  567G TELIAX, INC. - CO 656      
720-709 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-710 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-712 A Fort Lupton CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-713 A Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-714 A Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-715 A Deckers CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-716 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-717 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-718 A Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656      
720-719 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-06-07   
720-720 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2024-10-18   
720-721 A Denver CO DNVRCOMA37Z  507J THE VOICE APPLICATION NETWORK, LLC 656      
720-722 A Denver CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-723 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-724 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-725 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-726 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-727 A Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-728 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-729 A Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-730 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-731 A Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-732 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-733 A Denver CO CSRKCONMDS0  9636 QWEST CORPORATION 656      
720-734 A Denver CO CSRKCOFEGT2  5736 COMMNET WIRELESS, LLC 656      
720-735 A Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-736 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-737 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-738 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-739 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-740 A Deckers CO DNVRCOMA35Z  321J HD CARRIER LLC 656      
720-741 A Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-742 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-743 A Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-744 A Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-745 A Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-746 A Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-747 A Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-748 A Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-749 A Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-750 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-752 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-753 A Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-754 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-755 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-756 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-757 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-758 A Denver CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-759 A Longmont CO BLDRCOWNDS0  777H PACOPTIC NETWORKS, LLC - CO 656      
720-760 A Denver CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656      
720-761 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-762 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-763 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-764 A Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-765 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-766 A Denver CO DNVRCO26XRX  965H FRACTEL, LLC 656      
720-767 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-768 A Denver CO DNVRCO26XJX  022H COMMIO, LLC 656      
720-769 A Denver CO DNVRCO26DMD  197D VONAGE AMERICA LLC 656      
720-770 A Deckers CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-771 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-772 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-773 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-774 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-775 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-776 A Deckers CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-777 A Denver CO AURRCOMADS0  9636 QWEST CORPORATION 656      
720-778 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-779 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-780 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-781 A Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-782 A Hudson CO DNVRCOZJQMD  7421 AT&T - LOCAL 656      
720-783 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-784 A Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-785 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-786 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-787 A Denver CO BLDRCOWNDS0  777H PACOPTIC NETWORKS, LLC - CO 656      
720-788 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-789 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-790 A Allens Park-Lyons CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-791 A Georgetown CO DNVRCO26XIX  073H TELNYX LLC 656      
720-792 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-793 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-794 A Allens Park-Lyons CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-795 A Denver CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-796 A Georgetown CO DNVRCOMA36Z  478J NUSO, LLC 656      
720-797 A Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-798 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-799 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-800 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-801 A Georgetown CO DNVRCOMA32Z  321J HD CARRIER LLC 656      
720-802 A Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-803 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-804 A Longmont CO   6529 T-MOBILE USA, INC. 656      
720-805 A Denver CO DNVTCOZI9MD  597F VOIP INNOVATIONS, LLC 656      
720-806 A Deckers CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-807 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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