Local Calling Guide
Area code/prefix search
NPA: 303
[Rate centres in NPA 303]
[Dial plan for NPA 303]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 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 |
|
|
|
| 303-658
| 9 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2009-02-23 |
|
| 303-659
| A |
Denver |
CO |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-660
| A |
Denver |
CO |
CSRKCONMDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| A |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 0 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 1 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 2 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 3 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 4 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 5 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 6 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-661
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-07-23 |
|
| 303-661
| 8 |
Denver |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2024-03-25 |
|
| 303-661
| 9 |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-662
| A |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-663
| A |
Denver |
CO |
CSRKCONMDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-664
| A |
Denver |
CO |
DNVRCOCWDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-665
| A |
Denver |
CO |
DNVRCOCWDS0 |
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 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 >>
Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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