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 |
203-418
| 5 |
Fairfield |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2003-12-21 |
|
203-418
| 6 |
Fairfield |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2003-12-21 |
|
203-418
| 7 |
Fairfield |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-08-14 |
|
203-418
| 8 |
Fairfield |
CT |
|
145J TERRA NOVA TELECOM INC. |
920 |
|
2022-04-17 |
|
203-418
| 9 |
Fairfield |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-419
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-419
| 0 |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-419
| 1 |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-419
| 2 |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-419
| 3 |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-419
| 4 |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-419
| 5 |
Waterbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2009-10-19 |
|
203-419
| 6 |
Waterbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2008-06-21 |
|
203-419
| 7 |
Waterbury |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2005-12-31 |
|
203-419
| 8 |
Waterbury |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2005-12-31 |
|
203-419
| 9 |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-420
| A |
Meriden |
CT |
MRDNCT04RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| A |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 0 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 1 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 2 |
Madison |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2014-08-28 |
|
203-421
| 3 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 4 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 5 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 6 |
Madison |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2010-09-16 |
|
203-421
| 7 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 8 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-421
| 9 |
Madison |
CT |
MDSNCT02RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-422
| A |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 0 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 1 |
Greenwich |
CT |
GNWCCTGNX5Y |
4950 CABLEVISION LIGHTPATH, INC. - CT |
132 |
|
2007-11-22 |
|
203-422
| 2 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 3 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 4 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 5 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 6 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 7 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 8 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-422
| 9 |
Greenwich |
CT |
NYCMNY83D1S |
350E YMAX COMMUNICATIONS CORP. - CT |
132 |
|
2010-10-26 |
|
203-423
| A |
Wilton |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-423
| 0 |
Wilton |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2006-01-02 |
|
203-423
| 1 |
Wilton |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2007-08-31 |
|
203-423
| 2 |
Wilton |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2003-06-18 |
|
203-423
| 3 |
Wilton |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-02-28 |
|
203-423
| 4 |
Wilton |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-423
| 5 |
Wilton |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2010-11-23 |
|
203-423
| 6 |
Wilton |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-423
| 7 |
Wilton |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-423
| 8 |
Wilton |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2012-09-04 |
|
203-423
| 9 |
Wilton |
CT |
|
5562 METROPCS, INC. |
920 |
|
2002-12-23 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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