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 |
| 203-891
| 7 |
New Haven |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2006-10-03 |
|
| 203-891
| 8 |
New Haven |
CT |
ORNGCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-891
| 9 |
New Haven |
CT |
ORNGCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-892
| A |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-892
| 0 |
Ansonia-Derby |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2011-02-10 |
|
| 203-892
| 1 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2011-03-21 |
|
| 203-892
| 2 |
Ansonia-Derby |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2011-02-10 |
|
| 203-892
| 3 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2011-03-21 |
|
| 203-892
| 4 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2013-07-04 |
|
| 203-892
| 5 |
Ansonia-Derby |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2011-05-02 |
|
| 203-892
| 6 |
Ansonia-Derby |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2011-06-01 |
|
| 203-892
| 7 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2011-06-10 |
|
| 203-892
| 8 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2011-02-17 |
|
| 203-892
| 9 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2011-01-06 |
|
| 203-893
| A |
Ansonia-Derby |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-893
| 0 |
Ansonia-Derby |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2007-08-20 |
|
| 203-893
| 1 |
Ansonia-Derby |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2008-07-05 |
|
| 203-893
| 2 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2008-03-14 |
|
| 203-893
| 3 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2008-06-21 |
|
| 203-893
| 4 |
Ansonia-Derby |
CT |
HRFRCTASDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
920 |
|
2008-08-01 |
|
| 203-893
| 5 |
Ansonia-Derby |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2008-09-19 |
|
| 203-893
| 6 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2008-10-09 |
|
| 203-893
| 7 |
Ansonia-Derby |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2010-09-09 |
|
| 203-893
| 8 |
Ansonia-Derby |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2009-10-16 |
|
| 203-893
| 9 |
Ansonia-Derby |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2010-07-11 |
|
| 203-894
| A |
Ridgefield |
CT |
RDFDCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-894
| 0 |
Ridgefield |
CT |
RDFDCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-894
| 1 |
Ridgefield |
CT |
RDFDCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-894
| 2 |
Ridgefield |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-04-28 |
|
| 203-894
| 3 |
Ridgefield |
CT |
RDFDCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-894
| 4 |
Ridgefield |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
2013-06-04 |
|
| 203-894
| 5 |
Ridgefield |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2012-07-08 |
|
| 203-894
| 6 |
Ridgefield |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-04-28 |
|
| 203-894
| 7 |
Ridgefield |
CT |
RDFDCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-894
| 8 |
Ridgefield |
CT |
RDFDCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-894
| 9 |
Ridgefield |
CT |
RDFDCT00RS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-895
| A |
Trumbull |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-896
| A |
Madison |
CT |
SMFRCTQI9MD |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
920 |
|
|
|
| 203-896
| 0 |
Madison |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-06-30 |
|
| 203-896
| 1 |
Madison |
CT |
NWHNCT030MD |
3863 CTC COMMUNICATIONS CORP. - CT |
920 |
|
2005-09-23 |
|
| 203-896
| 2 |
Madison |
CT |
HRFRCTBC7MD |
506J TWILIO INTERNATIONAL, INC. |
920 |
|
2021-03-28 |
|
| 203-896
| 4 |
Madison |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2020-10-25 |
|
| 203-896
| 5 |
Madison |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2021-03-21 |
|
| 203-896
| 6 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2022-10-07 |
|
| 203-896
| 7 |
Madison |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2012-09-07 |
|
| 203-896
| 8 |
Madison |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-03 |
|
| 203-896
| 9 |
Madison |
CT |
SMFRCTQI9MD |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
920 |
|
|
|
| 203-897
| A |
Stamford |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-897
| 0 |
Stamford |
CT |
|
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2008-10-04 |
|
| 203-897
| 1 |
Stamford |
CT |
|
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2008-10-04 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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