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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
303-830 7   9636 QWEST CORPORATION 656      
303-830 8   9636 QWEST CORPORATION 656      
303-830 9   9636 QWEST CORPORATION 656      
303-831 A DNVRCOCHDS0  9636 QWEST CORPORATION 656      
303-832 A DNVRCOCHDS0  9636 QWEST CORPORATION 656      
303-833 A FRDRCOMADS0  9636 QWEST CORPORATION 656      
303-835 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-835 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-03-12   
303-835 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-30   
303-835 2   318J COMCAST IP PHONE, LLC 656   2007-02-16   
303-835 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-09-17   
303-835 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-835 5   9636 QWEST CORPORATION 656   2003-09-16   
303-835 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-09-17   
303-835 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-07-28   
303-835 8   026D ONVOY, LLC - CO 656   2008-08-21   
303-835 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-30   
303-836 A DNVRCOKFCM1  6907 COMMUNICATIONS UNLIMITED 656      
303-837 A DNVRCOCHDS0  9636 QWEST CORPORATION 656      
303-839 A DNVRCOCHDS0  9636 QWEST CORPORATION 656      
303-840 A PRKRCOMADS0  9636 QWEST CORPORATION 656      
303-841 A PRKRCOMADS0  9636 QWEST CORPORATION 656      
303-842 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-842 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-842 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-06-29   
303-842 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-06-29   
303-842 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-06-29   
303-842 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-06-29   
303-842 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-842 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-06-29   
303-842 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-842 8   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-842 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-843 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-844 A DNVRCOMADS0  9636 QWEST CORPORATION 656      
303-846 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-847 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-847 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-10-14   
303-847 1   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-847 2   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-847 3   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-847 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-847 5   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-847 6   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-847 7   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-847 8   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-847 9   6529 T-MOBILE USA, INC. 656   2004-11-22   
303-850 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-851 A DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-852 A DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-853 A DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-854 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-854 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-854 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-854 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-854 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-854 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-10-15   
303-854 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-854 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-854 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-04-07   
303-854 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-11-03   
303-854 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-855 A DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-856 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-856 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-856 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-856 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-856 3   318J COMCAST IP PHONE, LLC 656   2007-03-09   
303-856 4   6529 T-MOBILE USA, INC. 656   2009-07-29   
303-856 5   6529 T-MOBILE USA, INC. 656   2009-07-29   
303-856 6   6529 T-MOBILE USA, INC. 656   2009-07-29   
303-856 7   318J COMCAST IP PHONE, LLC 656   2007-03-09   
303-856 8   6529 T-MOBILE USA, INC. 656   2006-02-09   
303-856 9   026D ONVOY, LLC - CO 656   2021-08-25   
303-858 A ENWDCOABDS0  9636 QWEST CORPORATION 656      
303-859 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-09-24   
303-859 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-859 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-09-24   
303-859 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-860 A DNVRCOCHDS0  9636 QWEST CORPORATION 656      
303-861 A DNVRCOCHDS0  9636 QWEST CORPORATION 656      
303-862 A DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
303-862 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-08   
303-862 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-08   
303-862 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-08   
303-862 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-05-21   
303-862 4   318J COMCAST IP PHONE, LLC 656   2007-06-01   
303-862 5   318J COMCAST IP PHONE, LLC 656   2007-06-01   
303-862 6   318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-862 7   318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-862 8   318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-862 9   318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-863 A DNVRCOCHDS0  9636 QWEST CORPORATION 656      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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