Local Calling Guide
Area code/prefix search
Stamford, CT
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 203-973
| 9 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-12-05 |
|
| 203-975
| A |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-977
| A |
SMFRCT01DS2 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| A |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 0 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 1 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 2 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 3 |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-06-30 |
|
| 203-978
| 4 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 5 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 6 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 7 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 8 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-978
| 9 |
SMFRCT01DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-979
| A |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-989
| A |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-989
| 0 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-989
| 1 |
NRWLCT02XMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2011-10-21 |
|
| 203-989
| 2 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2011-02-26 |
|
| 203-989
| 3 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2012-07-29 |
|
| 203-989
| 4 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2012-02-17 |
|
| 203-989
| 5 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-05-01 |
|
| 203-989
| 6 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-05-01 |
|
| 203-989
| 7 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-06-01 |
|
| 203-989
| 8 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-06-01 |
|
| 203-989
| 9 |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-04 |
|
| 203-998
| A |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-998
| 0 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2007-05-01 |
|
| 203-998
| 1 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2012-01-01 |
|
| 203-998
| 2 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-07-01 |
|
| 203-998
| 3 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-07-01 |
|
| 203-998
| 4 |
NRWLCT02XMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
2013-12-22 |
|
| 203-998
| 5 |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-06-30 |
|
| 203-998
| 6 |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-06-30 |
|
| 203-998
| 7 |
|
612K CSC VOICE, LLC |
920 |
|
2013-08-09 |
|
| 203-998
| 8 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2008-02-04 |
|
| 203-998
| 9 |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-04 |
|
| 475-205
| A |
NWLNCTCS6MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
920 |
|
|
|
| 475-205
| 0 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-05-01 |
|
| 475-205
| 1 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2013-10-18 |
|
| 475-205
| 2 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2013-10-18 |
|
| 475-205
| 3 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2013-10-18 |
|
| 475-205
| 4 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2013-10-18 |
|
| 475-205
| 5 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2013-10-18 |
|
| 475-205
| 6 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2013-10-18 |
|
| 475-205
| 7 |
NWLNCTCS6MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
920 |
|
2012-11-30 |
|
| 475-205
| 8 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-05-01 |
|
| 475-205
| 9 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-05-01 |
|
| 475-213
| A |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 475-213
| 0 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-07-11 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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