Local Calling Guide
Area code/prefix search
NPA: 203
[Rate centres in NPA 203]
[Dial plan for NPA 203]
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NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
203-280
| 1 |
Darien |
CT |
|
145J TERRA NOVA TELECOM INC. |
920 |
|
2022-04-17 |
|
203-280
| 2 |
Darien |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2006-07-13 |
|
203-280
| 3 |
Darien |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2004-07-22 |
|
203-280
| 4 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-08-02 |
|
203-280
| 5 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-05-14 |
|
203-280
| 6 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-05-14 |
|
203-280
| 7 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-05-14 |
|
203-280
| 8 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-05-14 |
|
203-280
| 9 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-05-14 |
|
203-281
| A |
New Haven |
CT |
HMDNCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-282
| A |
Stamford |
CT |
HRFRCT0380Z |
6630 USA MOBILITY WIRELESS, INC. |
920 |
|
|
|
203-283
| A |
Milford |
CT |
NRWLCT02YMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 0 |
Milford |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 1 |
Milford |
CT |
NRWLCT02SMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 2 |
Milford |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 3 |
Milford |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 4 |
Milford |
CT |
NRWLCT02SMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 5 |
Milford |
CT |
NRWLCT02SMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 6 |
Milford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-07-03 |
|
203-283
| 7 |
Milford |
CT |
NRWLCT02SMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-283
| 8 |
Milford |
CT |
HRFRCTASDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
920 |
|
2003-06-18 |
|
203-283
| 9 |
Milford |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-284
| A |
Wallingford |
CT |
WLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-285
| A |
New Haven |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-285
| 0 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2008-02-04 |
|
203-285
| 1 |
New Haven |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-285
| 2 |
New Haven |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-285
| 3 |
New Haven |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2006-09-05 |
|
203-285
| 4 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2003-09-30 |
|
203-285
| 5 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2003-09-30 |
|
203-285
| 6 |
New Haven |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-04-28 |
|
203-285
| 7 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2006-01-21 |
|
203-285
| 8 |
New Haven |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-04-28 |
|
203-285
| 9 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2008-07-17 |
|
203-286
| A |
Norwalk |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
|
|
203-286
| 0 |
Norwalk |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
|
|
203-286
| 1 |
Norwalk |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
2009-10-15 |
|
203-286
| 2 |
Norwalk |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
2009-10-15 |
|
203-286
| 3 |
Norwalk |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-07-03 |
|
203-286
| 4 |
Norwalk |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2007-06-20 |
|
203-286
| 5 |
Norwalk |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2012-01-22 |
|
203-286
| 6 |
Norwalk |
CT |
NRWLCT028MD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2007-09-20 |
|
203-286
| 7 |
Norwalk |
CT |
NRWLCT028MD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2007-09-20 |
|
203-286
| 8 |
Norwalk |
CT |
NRWLCT028MD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2007-09-20 |
|
203-286
| 9 |
Norwalk |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2007-10-08 |
|
203-287
| A |
New Haven |
CT |
HMDNCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-288
| A |
New Haven |
CT |
HMDNCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-289
| A |
Danbury |
CT |
HRFRCT0380Z |
6630 USA MOBILITY WIRELESS, INC. |
920 |
|
|
|
203-290
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-290
| 0 |
Bridgeport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2014-04-14 |
|
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Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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