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 |
| 303-217
| 3 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2004-11-04 |
|
| 303-217
| 4 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-217
| 5 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-02-26 |
|
| 303-217
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2005-08-01 |
|
| 303-217
| 7 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-217
| 8 |
Denver |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2005-02-06 |
|
| 303-217
| 9 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 0 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-10-20 |
|
| 303-218
| 1 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 2 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 3 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 4 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 5 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 6 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 7 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-218
| 8 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-10-20 |
|
| 303-218
| 9 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-219
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-219
| 0 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 303-219
| 1 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-29 |
|
| 303-219
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-10-27 |
|
| 303-219
| 3 |
Denver |
CO |
ENWDCO47DS4 |
320E YMAX COMMUNICATIONS CORP. - CO |
656 |
|
2009-02-09 |
|
| 303-219
| 4 |
Denver |
CO |
ENWDCO47DS4 |
320E YMAX COMMUNICATIONS CORP. - CO |
656 |
|
2009-03-23 |
|
| 303-219
| 5 |
Denver |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2010-01-02 |
|
| 303-219
| 6 |
Denver |
CO |
ENWDCO47DS4 |
320E YMAX COMMUNICATIONS CORP. - CO |
656 |
|
2009-03-23 |
|
| 303-219
| 7 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-11-04 |
|
| 303-219
| 8 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-10-27 |
|
| 303-219
| 9 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-220
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-221
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-222
| A |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 303-223
| A |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-224
| A |
Denver |
CO |
DNVRCODCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-225
| A |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-225
| 0 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-04-06 |
|
| 303-225
| 1 |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-225
| 2 |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-225
| 3 |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-225
| 4 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-04-06 |
|
| 303-225
| 5 |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-225
| 6 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-225
| 7 |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-225
| 8 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2003-04-06 |
|
| 303-225
| 9 |
Denver |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
|
|
| 303-226
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-227
| A |
Denver |
CO |
DNVRCONEDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 303-228
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 303-229
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 303-230
| A |
Denver |
CO |
DNVRCOMAXTZ |
6630 USA MOBILITY WIRELESS, INC. |
656 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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