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 |
| 475-444
| 5 |
Newtown |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2014-11-21 |
|
| 475-444
| 6 |
Newtown |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2015-05-24 |
|
| 475-444
| 7 |
Newtown |
CT |
NWLNCTCS6MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
920 |
|
2014-07-16 |
|
| 475-444
| 8 |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2015-05-09 |
|
| 475-444
| 9 |
Newtown |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2014-06-20 |
|
| 475-445
| A |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-445
| 0 |
Newtown |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2020-08-24 |
|
| 475-445
| 1 |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-08-10 |
|
| 475-445
| 2 |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-08-10 |
|
| 475-445
| 3 |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-445
| 4 |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-445
| 5 |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-445
| 6 |
Newtown |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-03-04 |
|
| 475-445
| 8 |
Newtown |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2021-10-24 |
|
| 475-445
| 9 |
Newtown |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-03-12 |
|
| 475-447
| A |
Byram |
CT |
NYCMNY37TMD |
624H ONVOY SPECTRUM, LLC |
132 |
|
|
|
| 475-447
| 0 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-01-07 |
|
| 475-447
| 1 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2024-03-07 |
|
| 475-447
| 2 |
Byram |
CT |
NYCMNY37TMD |
624H ONVOY SPECTRUM, LLC |
132 |
|
2022-02-05 |
|
| 475-447
| 3 |
Byram |
CT |
NYCMNY37TMD |
624H ONVOY SPECTRUM, LLC |
132 |
|
2022-02-05 |
|
| 475-447
| 4 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2021-06-03 |
|
| 475-447
| 5 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2021-06-03 |
|
| 475-447
| 6 |
Byram |
CT |
|
145J TERRA NOVA TELECOM INC. |
132 |
|
2026-02-05 |
|
| 475-447
| 7 |
Byram |
CT |
NYCMNY37TMD |
624H ONVOY SPECTRUM, LLC |
132 |
|
2021-05-21 |
|
| 475-447
| 8 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2021-05-22 |
|
| 475-447
| 9 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2021-05-22 |
|
| 475-449
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 475-449
| 0 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2014-12-04 |
|
| 475-449
| 1 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2014-12-04 |
|
| 475-449
| 2 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2016-05-22 |
|
| 475-449
| 3 |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-12-05 |
|
| 475-449
| 4 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2014-11-25 |
|
| 475-449
| 5 |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-02-13 |
|
| 475-449
| 6 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2015-02-14 |
|
| 475-449
| 7 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2015-02-14 |
|
| 475-449
| 8 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2014-12-04 |
|
| 475-449
| 9 |
Bridgeport |
CT |
|
612K CSC VOICE, LLC |
920 |
|
2014-12-20 |
|
| 475-450
| A |
Bridgeport |
CT |
HRFRCT0344Z |
866H BARR TEL USA, INC. - CT |
920 |
|
|
|
| 475-450
| 0 |
Bridgeport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-07-22 |
|
| 475-450
| 1 |
Bridgeport |
CT |
HRFRCT0344Z |
866H BARR TEL USA, INC. - CT |
920 |
|
2022-04-23 |
|
| 475-450
| 2 |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2022-09-08 |
|
| 475-450
| 3 |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2022-09-08 |
|
| 475-450
| 4 |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2022-09-08 |
|
| 475-450
| 5 |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2022-11-05 |
|
| 475-450
| 6 |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2023-08-11 |
|
| 475-450
| 7 |
Bridgeport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-06-26 |
|
| 475-450
| 8 |
Bridgeport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-05-14 |
|
| 475-450
| 9 |
Bridgeport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-06-26 |
|
| 475-454
| A |
Danbury |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-454
| 0 |
Danbury |
CT |
HRFRCTBC2MD |
073H TELNYX LLC |
920 |
|
2021-03-01 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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