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 |
| 475-465
| 8 |
Old Greenwich |
CT |
HRFRCT03HMD |
073H TELNYX LLC |
920 |
|
2017-04-06 |
|
| 475-465
| 9 |
Old Greenwich |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-03-29 |
|
| 475-466
| A |
Madison |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
|
|
| 475-466
| 0 |
Madison |
CT |
|
515J IP HORIZON LLC |
920 |
|
2022-07-31 |
|
| 475-466
| 1 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-466
| 2 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-466
| 3 |
Madison |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
2022-03-16 |
|
| 475-466
| 4 |
Madison |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-03-17 |
|
| 475-466
| 5 |
Madison |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-03-17 |
|
| 475-466
| 7 |
Madison |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-466
| 8 |
Madison |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2023-09-08 |
|
| 475-466
| 9 |
Madison |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2022-03-25 |
|
| 475-467
| A |
Trumbull |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
|
|
| 475-467
| 0 |
Trumbull |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2022-03-28 |
|
| 475-467
| 1 |
Trumbull |
CT |
|
515J IP HORIZON LLC |
920 |
|
2022-07-17 |
|
| 475-467
| 2 |
Trumbull |
CT |
HRFRCTBC2MD |
073H TELNYX LLC |
920 |
|
2022-12-01 |
|
| 475-467
| 3 |
Trumbull |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2023-02-05 |
|
| 475-467
| 4 |
Trumbull |
CT |
HRFRCT0389Z |
490J BOOST SUBSCRIBERCO L.L.C. |
920 |
|
2023-06-15 |
|
| 475-467
| 5 |
Trumbull |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-02-04 |
|
| 475-467
| 6 |
Trumbull |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-02-04 |
|
| 475-467
| 7 |
Trumbull |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2022-10-22 |
|
| 475-467
| 8 |
Trumbull |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
2022-03-27 |
|
| 475-467
| 9 |
Trumbull |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2022-06-23 |
|
| 475-470
| A |
Norwalk |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-470
| 0 |
Norwalk |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2016-07-10 |
|
| 475-470
| 1 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-06-09 |
|
| 475-470
| 2 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-06-09 |
|
| 475-470
| 3 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2018-02-07 |
|
| 475-470
| 4 |
Norwalk |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2016-04-15 |
|
| 475-470
| 5 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2018-02-07 |
|
| 475-470
| 6 |
Norwalk |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2016-09-17 |
|
| 475-470
| 7 |
Norwalk |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2016-04-14 |
|
| 475-470
| 8 |
Norwalk |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2016-04-14 |
|
| 475-470
| 9 |
Norwalk |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2016-06-05 |
|
| 475-471
| A |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-471
| 0 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-07-06 |
|
| 475-471
| 1 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-07-06 |
|
| 475-471
| 2 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-09-13 |
|
| 475-471
| 3 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-09-13 |
|
| 475-471
| 4 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-471
| 5 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-471
| 6 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-471
| 7 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-471
| 8 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-471
| 9 |
Westport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-472
| A |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-472
| 0 |
Wilton |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-03-12 |
|
| 475-472
| 1 |
Wilton |
CT |
HRFRCT03CMD |
197D VONAGE AMERICA LLC |
920 |
|
2021-06-11 |
|
| 475-472
| 2 |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-09-13 |
|
| 475-472
| 3 |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-09-13 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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