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
720-614 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-614 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-614 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-614 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-615 A Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-615 0 Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-615 1 Keenesburg CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-615 2 Keenesburg CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-615 3 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 4 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 6 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 7 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 8 Keenesburg CO DNVTCOZI6MD  073H TELNYX LLC 656      
720-615 9 Keenesburg CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-616 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-616 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-616 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-616 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-616 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-616 4 Denver CO   829J PAETEC ITEL, LLC 656      
720-616 5 Denver CO   829J PAETEC ITEL, LLC 656      
720-616 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-616 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-616 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-616 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-617 A Denver CO   829J PAETEC ITEL, LLC 656      
720-617 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-617 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-617 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-617 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-617 4 Denver CO   829J PAETEC ITEL, LLC 656      
720-617 5 Denver CO   829J PAETEC ITEL, LLC 656      
720-617 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-617 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-617 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-617 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-618 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-618 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-619 A Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-619 0 Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-619 1 Georgetown CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-619 2 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-619 3 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-619 4 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-619 5 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-619 6 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-619 7 Georgetown CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-619 8 Georgetown CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-619 9 Georgetown CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-620 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-621 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-622 A Denver CO BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 0 Denver CO BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 1 Denver CO BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 2 Denver CO BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 3 Denver CO BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 4 Denver CO   508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-622 5 Denver CO BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 6 Denver CO BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 7 Denver CO DNVRCOMADS0  9636 QWEST CORPORATION 656      
720-622 8 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-622 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-623 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-624 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 0 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 1 Denver CO   829J PAETEC ITEL, LLC 656      
720-624 2 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 3 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 4 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 5 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-624 7 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 8 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-625 A Denver CO   829J PAETEC ITEL, LLC 656      
720-625 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-625 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-625 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-625 3 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-625 4 Denver CO   829J PAETEC ITEL, LLC 656      
720-625 5 Denver CO   829J PAETEC ITEL, LLC 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: LES.NET

Like this site? We accept donations via PayPal.