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 |
203-300
| 1 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-300
| 2 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-300
| 3 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-300
| 4 |
Danbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2004-11-06 |
|
203-300
| 5 |
Danbury |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2004-12-18 |
|
203-300
| 6 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-300
| 7 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-300
| 8 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-300
| 9 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-301
| A |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 0 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 1 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 2 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 3 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 4 |
Milford |
CT |
NRWLCT028MD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2007-11-08 |
|
203-301
| 5 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 6 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 7 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-301
| 8 |
Milford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2011-06-01 |
|
203-301
| 9 |
Milford |
CT |
MLFRCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-302
| A |
Greenwich |
CT |
WHPLNY02DS5 |
7140 TC SYSTEMS, INC. - NY |
132 |
|
|
|
203-302
| 0 |
Greenwich |
CT |
NYCMNY83D1S |
350E YMAX COMMUNICATIONS CORP. - CT |
132 |
|
2011-03-07 |
|
203-302
| 1 |
Greenwich |
CT |
GNWCCTGNX5Y |
4950 CABLEVISION LIGHTPATH, INC. - CT |
132 |
|
2002-04-08 |
|
203-302
| 2 |
Greenwich |
CT |
GNWCCTGNX5Y |
4950 CABLEVISION LIGHTPATH, INC. - CT |
132 |
|
2002-04-08 |
|
203-302
| 3 |
Greenwich |
CT |
MEVLNYOC2MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
132 |
|
2002-10-28 |
|
203-302
| 4 |
Greenwich |
CT |
WHPLNY02DS5 |
7140 TC SYSTEMS, INC. - NY |
132 |
|
|
|
203-302
| 5 |
Greenwich |
CT |
NYCMNY83D1S |
350E YMAX COMMUNICATIONS CORP. - CT |
132 |
|
2010-08-09 |
|
203-302
| 6 |
Greenwich |
CT |
WHPLNY02DS5 |
7140 TC SYSTEMS, INC. - NY |
132 |
|
2006-08-17 |
|
203-302
| 7 |
Greenwich |
CT |
GNWCCTGNX5Y |
4950 CABLEVISION LIGHTPATH, INC. - CT |
132 |
|
2005-09-23 |
|
203-302
| 8 |
Greenwich |
CT |
NYCMNY50QMD |
5562 METROPCS, INC. |
132 |
|
2004-03-16 |
|
203-302
| 9 |
Greenwich |
CT |
WHPLNYWPXOY |
199F BANDWIDTH.COM CLEC, LLC - CT |
132 |
|
2010-08-07 |
|
203-303
| A |
Wallingford |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-303
| 0 |
Wallingford |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-303
| 1 |
Wallingford |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2017-09-14 |
|
203-303
| 2 |
Wallingford |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-303
| 3 |
Wallingford |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-303
| 4 |
Wallingford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-09-09 |
|
203-303
| 5 |
Wallingford |
CT |
HRFRCTASDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
920 |
|
2003-06-18 |
|
203-303
| 6 |
Wallingford |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-303
| 7 |
Wallingford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2006-06-30 |
|
203-303
| 8 |
Wallingford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-01-10 |
|
203-303
| 9 |
Wallingford |
CT |
HRFRCT03HMD |
073H TELNYX LLC |
920 |
|
2018-05-02 |
|
203-304
| A |
Newtown |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-304
| 0 |
Newtown |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-304
| 1 |
Newtown |
CT |
WLMNCT130MD |
777C CHARTER FIBERLINK CT-CCO, LLC - CT |
920 |
|
2005-01-17 |
|
203-304
| 2 |
Newtown |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
2004-10-15 |
|
203-304
| 3 |
Newtown |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-304
| 4 |
Newtown |
CT |
SMFRCT0162Z |
3863 CTC COMMUNICATIONS CORP. - CT |
920 |
|
2006-04-13 |
|
203-304
| 5 |
Newtown |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
2007-05-11 |
|
203-304
| 6 |
Newtown |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2008-05-16 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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