Local Calling Guide
Area code/prefix search
NPA: 475
[Rate centres in NPA 475]
[Dial plan for NPA 475]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 475-333
| 9 |
Stamford |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2017-10-21 |
|
| 475-334
| A |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-334
| 0 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-22 |
|
| 475-334
| 1 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-22 |
|
| 475-334
| 2 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-11 |
|
| 475-334
| 3 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-22 |
|
| 475-334
| 4 |
Stamford |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2024-01-26 |
|
| 475-334
| 5 |
Stamford |
CT |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 6 |
Stamford |
CT |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 7 |
Stamford |
CT |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 8 |
Stamford |
CT |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 9 |
Stamford |
CT |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-335
| A |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
|
|
| 475-335
| 0 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-01-07 |
|
| 475-335
| 1 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-01-07 |
|
| 475-335
| 2 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2023-09-25 |
|
| 475-335
| 4 |
Greenwich |
CT |
NYCMNYZR32Z |
490J BOOST SUBSCRIBERCO L.L.C. |
132 |
|
2024-06-16 |
|
| 475-335
| 6 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-07-05 |
|
| 475-335
| 7 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-04-20 |
|
| 475-335
| 8 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-03-09 |
|
| 475-335
| 9 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-04-20 |
|
| 475-336
| A |
Darien |
CT |
HRFRCT03XOX |
965H FRACTEL, LLC |
920 |
|
|
|
| 475-336
| 0 |
Darien |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-20 |
|
| 475-336
| 1 |
Darien |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-20 |
|
| 475-336
| 2 |
Darien |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-08-08 |
|
| 475-336
| 3 |
Darien |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-336
| 4 |
Darien |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-336
| 5 |
Darien |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-336
| 6 |
Darien |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-336
| 7 |
Darien |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-08-08 |
|
| 475-336
| 8 |
Darien |
CT |
HRFRCT03XOX |
965H FRACTEL, LLC |
920 |
|
2020-09-17 |
|
| 475-336
| 9 |
Darien |
CT |
|
515J IP HORIZON LLC |
920 |
|
2022-08-04 |
|
| 475-337
| A |
Waterbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 475-337
| 0 |
Waterbury |
CT |
HRFRCTBC2MD |
073H TELNYX LLC |
920 |
|
2022-12-26 |
|
| 475-337
| 1 |
Waterbury |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2023-01-28 |
|
| 475-337
| 2 |
Waterbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2023-05-15 |
|
| 475-337
| 3 |
Waterbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2023-05-15 |
|
| 475-337
| 4 |
Waterbury |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-07-14 |
|
| 475-337
| 5 |
Waterbury |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-337
| 6 |
Waterbury |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2023-02-26 |
|
| 475-337
| 7 |
Waterbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2022-11-10 |
|
| 475-337
| 8 |
Waterbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2022-11-10 |
|
| 475-337
| 9 |
Waterbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2022-11-10 |
|
| 475-338
| A |
Branford |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
|
|
| 475-338
| 0 |
Branford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2018-04-06 |
|
| 475-338
| 1 |
Branford |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2017-11-12 |
|
| 475-338
| 2 |
Branford |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2019-08-29 |
|
| 475-338
| 3 |
Branford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-07-05 |
|
| 475-338
| 4 |
Branford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-338
| 5 |
Branford |
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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