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.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-743 2 Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-743 3 Longmont CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-743 4 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-743 5 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-743 6 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-743 7 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-743 8 Longmont CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-743 9 Longmont CO DNVTCOZI6MD  073H TELNYX LLC 656      
720-744 A Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-744 1 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-744 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-744 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-744 5 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 6 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 7 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 8 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 9 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-745 A Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-745 0 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-745 1 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-745 2 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-745 3 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-745 4 Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-745 5 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-745 6 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-745 7 Longmont CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-745 8 Longmont CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-745 9 Longmont CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-746 A Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 0 Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 1 Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-746 3 Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-746 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-746 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-746 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-746 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-746 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 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      
720-749 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-749 1 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-749 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-749 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-749 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-749 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-749 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-749 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-749 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-749 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-750 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-750 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-750 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-750 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-750 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-750 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-750 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-750 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-750 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-750 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-750 9 Denver CO   5562 METROPCS, INC. 656      
720-751 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-751 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-751 2 Denver CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-751 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-751 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-752 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 0 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 3 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 7 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 8 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-753 A Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-753 0 Fort Lupton CO DNVRCO26XIX  073H TELNYX LLC 656      
720-753 1 Fort Lupton CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-753 2 Fort Lupton CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-753 3 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-753 4 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-753 5 Fort Lupton CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-753 6 Fort Lupton CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-753 7 Fort Lupton CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-753 8 Fort Lupton CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-753 9 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-754 A Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-754 0 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.