Local Calling Guide
Area code/prefix search
NPA: 303
[Rate centres in NPA 303]
[Dial plan for NPA 303]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 303-520
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-520
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-520
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-520
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-520
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-520
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-520
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-521
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-522
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-523
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-524
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 0 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2011-03-18 |
|
| 303-524
| 1 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 2 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-02-18 |
|
| 303-524
| 3 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2005-02-14 |
|
| 303-524
| 4 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-02-18 |
|
| 303-524
| 5 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-02-18 |
|
| 303-524
| 6 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 7 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 8 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 303-524
| 9 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 303-525
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-525
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 303-526
| A |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 0 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 1 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 2 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 3 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 4 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 5 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 6 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-03-26 |
|
| 303-526
| 7 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-526
| 8 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-03-26 |
|
| 303-526
| 9 |
Denver |
CO |
LKMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-527
| A |
Denver |
CO |
BLDRCOGBRS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-528
| A |
Denver |
CO |
ENWDCOVF0MD |
9748 AMERICAN MESSAGING SERVICES, LLC |
656 |
|
|
|
| 303-529
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 303-529
| 0 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 1 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 3 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 4 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 5 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 6 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 7 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 8 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-529
| 9 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-11-28 |
|
| 303-530
| A |
Denver |
CO |
BLDRCOGBRS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-531
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-531
| 0 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-09-06 |
|
| 303-531
| 1 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-531
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-09-06 |
|
| 303-531
| 3 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-531
| 4 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 5 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 6 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 7 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 8 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2002-07-24 |
|
| 303-531
| 9 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-532
| A |
Longmont |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 303-532
| 0 |
Longmont |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2004-11-22 |
|
| 303-532
| 1 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-11-21 |
|
| 303-532
| 2 |
Longmont |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2001-07-25 |
|
| 303-532
| 3 |
Longmont |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2001-09-05 |
|
| 303-532
| 4 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2003-01-06 |
|
| 303-532
| 5 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-12-10 |
|
| 303-532
| 6 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-07-18 |
|
| 303-532
| 7 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-07-18 |
|
| 303-532
| 8 |
Longmont |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2003-12-02 |
|
| 303-532
| 9 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-07-18 |
|
| 303-533
| A |
Denver |
CO |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
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Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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