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 |
| 303-643
| 4 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-643
| 5 |
Denver |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2006-08-10 |
|
| 303-643
| 6 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-643
| 7 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-643
| 8 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-643
| 9 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-644
| A |
Bennett |
CO |
BNNTCOXCDS0 |
2186 EASTERN SLOPE RURAL TEL. ASSN., INC. |
656 |
|
|
|
| 303-645
| A |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 0 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 1 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 2 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 3 |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2016-04-17 |
|
| 303-645
| 4 |
Denver |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2006-09-14 |
|
| 303-645
| 5 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 6 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 7 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 8 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-645
| 9 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| A |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 0 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 1 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 2 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 3 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 4 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 5 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 6 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-646
| 8 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-646
| 9 |
Denver |
CO |
ELZBCO01DS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-647
| A |
Deckers |
CO |
DCKRCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-647
| 0 |
Deckers |
CO |
DCKRCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-647
| 1 |
Deckers |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2006-08-22 |
|
| 303-647
| 2 |
Deckers |
CO |
DCKRCOMARS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-647
| 3 |
Deckers |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2017-04-01 |
|
| 303-647
| 4 |
Deckers |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-11-25 |
|
| 303-647
| 5 |
Deckers |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-11-11 |
|
| 303-647
| 6 |
Deckers |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-02-19 |
|
| 303-647
| 7 |
Deckers |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-06-01 |
|
| 303-647
| 8 |
Deckers |
CO |
|
026D ONVOY, LLC - CO |
656 |
|
2025-02-01 |
|
| 303-647
| 9 |
Deckers |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-04-23 |
|
| 303-648
| A |
Denver |
CO |
ELBRCOMARS2 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 0 |
Denver |
CO |
ELBRCOMARS2 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 1 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-09-24 |
|
| 303-648
| 2 |
Denver |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2024-07-08 |
|
| 303-648
| 3 |
Denver |
CO |
ELBRCOMARS2 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 4 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-27 |
|
| 303-648
| 5 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-27 |
|
| 303-648
| 6 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2005-02-27 |
|
| 303-648
| 7 |
Denver |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2024-07-08 |
|
| 303-648
| 8 |
Denver |
CO |
ELBRCOMARS2 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-648
| 9 |
Denver |
CO |
ELBRCOMARS2 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-649
| A |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-650
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-651
| A |
Longmont |
CO |
LNMTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| A |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 0 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 1 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 2 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 3 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 4 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 5 |
Longmont |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2003-08-18 |
|
| 303-652
| 6 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 7 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-10-14 |
|
| 303-652
| 8 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-652
| 9 |
Longmont |
CO |
NIWTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-653
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-653
| 0 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2022-07-16 |
|
| 303-653
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-10-30 |
|
| 303-653
| 2 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 3 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 4 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 5 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2005-03-10 |
|
| 303-653
| 6 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-653
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2005-09-26 |
|
| 303-653
| 8 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-11-03 |
|
| 303-653
| 9 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-654
| A |
Denver |
CO |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-655
| A |
Denver |
CO |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-656
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-656
| 0 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-05-07 |
|
| 303-656
| 3 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 4 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2009-08-27 |
|
| 303-656
| 5 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 6 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 8 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-11 |
|
| 303-656
| 9 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2009-09-28 |
|
| 303-657
| A |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| A |
Denver |
CO |
LTTNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 0 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2009-06-18 |
|
| 303-658
| 1 |
Denver |
CO |
LTTNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 2 |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 3 |
Denver |
CO |
DNVRCOCPDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 4 |
Denver |
CO |
WMNSCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 5 |
Denver |
CO |
LTTNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 6 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 7 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-658
| 8 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
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 >>
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.