Local Calling Guide
Area code/prefix search
NPA: 720
[Rate centres in NPA 720]
[Dial plan for NPA 720]
Block: A
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-554
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-556
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-557
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-558
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-559
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-560
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-561
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-562
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-564
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-565
| A |
Denver |
CO |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-566
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-567
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-568
| A |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-569
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-570
| A |
Denver |
CO |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-571
| A |
Allens Park-Lyons |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-572
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-573
| A |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-574
| A |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-575
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-576
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-577
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-578
| A |
Denver |
CO |
DNVRCOCPDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-579
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-580
| A |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-581
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-582
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-583
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-584
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-585
| A |
Denver |
CO |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-586
| A |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-587
| A |
Denver |
CO |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2025-04-08 |
|
| 720-588
| A |
Denver |
CO |
FTCLCOMA7MD |
551G NUSO, LLC |
656 |
|
|
|
| 720-589
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-590
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-591
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-592
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-593
| A |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-594
| A |
Denver |
CO |
DNVRCO893MD |
019J AIRUS, INC. - CO |
656 |
|
|
|
| 720-595
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-596
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-597
| A |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-598
| A |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-599
| A |
Denver |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 720-600
| A |
Longmont |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-601
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-602
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-603
| A |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-604
| A |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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