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 |
203-654
| A |
New Haven |
CT |
NHVNCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-654
| 0 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2006-03-07 |
|
203-654
| 1 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2003-04-05 |
|
203-654
| 2 |
New Haven |
CT |
NWHNCT030MD |
3863 CTC COMMUNICATIONS CORP. - CT |
920 |
|
2007-12-04 |
|
203-654
| 3 |
New Haven |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2014-01-03 |
|
203-654
| 4 |
New Haven |
CT |
NHVNCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-654
| 5 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2005-07-07 |
|
203-654
| 6 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2004-03-17 |
|
203-654
| 7 |
New Haven |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2004-09-03 |
|
203-654
| 8 |
New Haven |
CT |
NHVNCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-654
| 9 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-04-01 |
|
203-655
| A |
Darien |
CT |
DARNCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-656
| A |
Darien |
CT |
DARNCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-657
| A |
New Haven |
CT |
HRFRCT0379Z |
9748 AMERICAN MESSAGING SERVICES, LLC |
920 |
|
|
|
203-658
| A |
Stamford |
CT |
SMFRCTCTDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-658
| 0 |
Stamford |
CT |
SMFRCTCTDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-658
| 1 |
Stamford |
CT |
SMFRCTCTDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-658
| 2 |
Stamford |
CT |
NRWLCT02XMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2011-10-21 |
|
203-658
| 3 |
Stamford |
CT |
HRFRCT0377Z |
350E YMAX COMMUNICATIONS CORP. - CT |
920 |
|
2011-10-12 |
|
203-658
| 4 |
Stamford |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2011-09-22 |
|
203-658
| 5 |
Stamford |
CT |
HRFRCT0377Z |
350E YMAX COMMUNICATIONS CORP. - CT |
920 |
|
2011-10-12 |
|
203-658
| 6 |
Stamford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2012-04-20 |
|
203-658
| 7 |
Stamford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2012-08-11 |
|
203-658
| 8 |
Stamford |
CT |
NRWLCT028MD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2012-08-18 |
|
203-658
| 9 |
Stamford |
CT |
SMFRCTCTDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-659
| A |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 0 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 1 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 2 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 3 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 4 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 5 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 6 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 7 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-659
| 8 |
Fairfield |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2011-06-23 |
|
203-659
| 9 |
Fairfield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-660
| A |
Byram |
CT |
NYCMNYZRX9X |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
132 |
|
|
|
203-660
| 0 |
Byram |
CT |
WHPLNYWPXOY |
199F BANDWIDTH.COM CLEC, LLC - CT |
132 |
|
2010-08-07 |
|
203-660
| 1 |
Byram |
CT |
NYCMNY83D1S |
350E YMAX COMMUNICATIONS CORP. - CT |
132 |
|
2008-06-01 |
|
203-660
| 2 |
Byram |
CT |
|
145J TERRA NOVA TELECOM INC. |
132 |
|
2022-04-17 |
|
203-660
| 3 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2021-03-04 |
|
203-660
| 4 |
Byram |
CT |
NYCMNYZRX1X |
145J TERRA NOVA TELECOM INC. |
132 |
|
2021-01-14 |
|
203-660
| 5 |
Byram |
CT |
NYCMNY37XAX |
506J TWILIO INTERNATIONAL, INC. |
132 |
|
2021-03-28 |
|
203-660
| 6 |
Byram |
CT |
WHPLNYYFDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
132 |
|
2003-06-08 |
|
203-660
| 7 |
Byram |
CT |
NYCMNY83D1S |
350E YMAX COMMUNICATIONS CORP. - CT |
132 |
|
2008-04-21 |
|
203-660
| 8 |
Byram |
CT |
NYCMNY83D1S |
350E YMAX COMMUNICATIONS CORP. - CT |
132 |
|
2008-06-01 |
|
203-660
| 9 |
Byram |
CT |
NYCMNYZRX9X |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
132 |
|
|
|
203-661
| A |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-662
| A |
Darien |
CT |
DARNCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-663
| A |
Norwalk |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
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Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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