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 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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
303-845
| 4 |
Longmont |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
303-845
| 5 |
Longmont |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
303-845
| 6 |
Longmont |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
303-845
| 7 |
Longmont |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
303-845
| 8 |
Longmont |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
303-845
| 9 |
Longmont |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
303-846
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
303-847
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-847
| 0 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-10-14 |
|
303-847
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-847
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-847
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-847
| 4 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-847
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-847
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-847
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-847
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-847
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2004-11-22 |
|
303-848
| A |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-848
| 0 |
Longmont |
CO |
|
624H ONVOY SPECTRUM, LLC |
656 |
|
2024-03-07 |
|
303-848
| 1 |
Longmont |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2022-05-13 |
|
303-848
| 2 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-848
| 3 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-848
| 4 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-848
| 5 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-848
| 6 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-848
| 7 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-848
| 8 |
Longmont |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-01-13 |
|
303-848
| 9 |
Longmont |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-08-28 |
|
303-849
| A |
Roggen |
CO |
RGGNCOXCDS0 |
2202 ROGGEN TEL. COOP. CO. |
656 |
|
|
|
303-850
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
303-851
| A |
Denver |
CO |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
303-852
| A |
Denver |
CO |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
303-853
| A |
Denver |
CO |
DNVRCONEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
303-854
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-854
| 0 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-854
| 1 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-854
| 2 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-854
| 3 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-854
| 4 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-10-15 |
|
303-854
| 5 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-854
| 6 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-854
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-04-07 |
|
303-854
| 8 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-11-03 |
|
303-854
| 9 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-855
| A |
Denver |
CO |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
303-856
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-856
| 0 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-856
| 1 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
303-856
| 2 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
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 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.