Local Calling Guide
Area code/prefix search
NPA: 475
[Rate centres in NPA 475]
[Dial plan for NPA 475]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 475-480
| A |
New Haven |
CT |
HRFRCT0344Z |
866H BARR TEL USA, INC. - CT |
920 |
|
|
|
| 475-480
| 0 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2022-08-20 |
|
| 475-480
| 1 |
New Haven |
CT |
HRFRCT0344Z |
866H BARR TEL USA, INC. - CT |
920 |
|
2022-04-22 |
|
| 475-480
| 2 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2022-08-20 |
|
| 475-480
| 3 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2022-08-20 |
|
| 475-480
| 4 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2022-08-20 |
|
| 475-480
| 5 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2022-08-20 |
|
| 475-480
| 6 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2022-08-20 |
|
| 475-480
| 7 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2022-08-20 |
|
| 475-480
| 8 |
New Haven |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2022-09-25 |
|
| 475-480
| 9 |
New Haven |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2022-09-25 |
|
| 475-489
| A |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 475-489
| 0 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-01-16 |
|
| 475-489
| 1 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-01-16 |
|
| 475-489
| 2 |
Norwalk |
CT |
|
145J TERRA NOVA TELECOM INC. |
920 |
|
2026-02-05 |
|
| 475-489
| 3 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-01-16 |
|
| 475-489
| 4 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-01-16 |
|
| 475-489
| 5 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-01-13 |
|
| 475-489
| 6 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-03-29 |
|
| 475-489
| 7 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-03-29 |
|
| 475-489
| 8 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-03-29 |
|
| 475-489
| 9 |
Norwalk |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-03-29 |
|
| 475-500
| A |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
|
|
| 475-500
| 0 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2019-09-12 |
|
| 475-500
| 1 |
Greenwich |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
2019-09-13 |
|
| 475-500
| 2 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2020-03-02 |
|
| 475-500
| 3 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2020-03-02 |
|
| 475-500
| 4 |
Greenwich |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
2020-04-10 |
|
| 475-500
| 5 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2019-09-12 |
|
| 475-500
| 6 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-08-14 |
|
| 475-500
| 7 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2020-07-06 |
|
| 475-500
| 8 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2020-07-06 |
|
| 475-500
| 9 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2020-07-06 |
|
| 475-501
| A |
Georgetown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-501
| 0 |
Georgetown |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-03-12 |
|
| 475-501
| 1 |
Georgetown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-08-10 |
|
| 475-501
| 2 |
Georgetown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-08-10 |
|
| 475-501
| 3 |
Georgetown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-501
| 4 |
Georgetown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-501
| 6 |
Georgetown |
CT |
|
5562 METROPCS, INC. |
920 |
|
2021-12-31 |
|
| 475-501
| 7 |
Georgetown |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-20 |
|
| 475-501
| 8 |
Georgetown |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-20 |
|
| 475-501
| 9 |
Georgetown |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2023-11-10 |
|
| 475-522
| A |
Madison |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
|
|
| 475-522
| 0 |
Madison |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2015-06-21 |
|
| 475-522
| 1 |
Madison |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2015-06-21 |
|
| 475-522
| 2 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-08-09 |
|
| 475-522
| 3 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-07-05 |
|
| 475-522
| 4 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-522
| 5 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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