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 |
| 475-889
| 8 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2018-06-08 |
|
| 475-889
| 9 |
Norwalk |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2018-06-08 |
|
| 475-897
| A |
Greenwich |
CT |
|
612K CSC VOICE, LLC |
132 |
|
|
|
| 475-897
| 0 |
Greenwich |
CT |
WHPLNYWPDMD |
866H BARR TEL USA, INC. - CT |
132 |
|
2016-07-18 |
|
| 475-897
| 1 |
Greenwich |
CT |
|
612K CSC VOICE, LLC |
132 |
|
2015-08-06 |
|
| 475-897
| 2 |
Greenwich |
CT |
NYCMNY83DSZ |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
132 |
|
2015-09-26 |
|
| 475-897
| 3 |
Greenwich |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
2017-07-08 |
|
| 475-897
| 4 |
Greenwich |
CT |
WHPLNY02DS5 |
7140 TC SYSTEMS, INC. - NY |
132 |
|
2018-07-20 |
|
| 475-897
| 5 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2018-09-02 |
|
| 475-897
| 6 |
Greenwich |
CT |
NYCMNYZRQMD |
073H TELNYX LLC |
132 |
|
2019-05-22 |
|
| 475-897
| 7 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2016-03-11 |
|
| 475-897
| 8 |
Greenwich |
CT |
WHPLNYWPXOY |
199F BANDWIDTH.COM CLEC, LLC - CT |
132 |
|
2016-08-15 |
|
| 475-897
| 9 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2016-03-11 |
|
| 475-900
| A |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-900
| 0 |
Guilford |
CT |
HRFRCT03HMD |
073H TELNYX LLC |
920 |
|
2019-09-14 |
|
| 475-900
| 1 |
Guilford |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2019-11-16 |
|
| 475-900
| 2 |
Guilford |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2020-01-15 |
|
| 475-900
| 3 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-07-06 |
|
| 475-900
| 4 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-07-06 |
|
| 475-900
| 5 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-07-06 |
|
| 475-900
| 6 |
Guilford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2020-08-09 |
|
| 475-900
| 7 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-09-13 |
|
| 475-900
| 8 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-09-13 |
|
| 475-900
| 9 |
Guilford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2020-05-23 |
|
| 475-946
| A |
Old Greenwich |
CT |
HRFRCT03XOX |
965H FRACTEL, LLC |
920 |
|
|
|
| 475-946
| 0 |
Old Greenwich |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-03-12 |
|
| 475-946
| 1 |
Old Greenwich |
CT |
|
515J IP HORIZON LLC |
920 |
|
2022-07-31 |
|
| 475-946
| 2 |
Old Greenwich |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2022-09-17 |
|
| 475-946
| 3 |
Old Greenwich |
CT |
HRFRCT03XOX |
965H FRACTEL, LLC |
920 |
|
2020-09-17 |
|
| 475-946
| 4 |
Old Greenwich |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-946
| 5 |
Old Greenwich |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-04 |
|
| 475-946
| 6 |
Old Greenwich |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-946
| 7 |
Old Greenwich |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-04 |
|
| 475-946
| 8 |
Old Greenwich |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2022-09-15 |
|
| 475-977
| A |
Stamford |
CT |
HRFRCT03XOX |
965H FRACTEL, LLC |
920 |
|
|
|
| 475-977
| 0 |
Stamford |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2020-09-18 |
|
| 475-977
| 1 |
Stamford |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2021-06-06 |
|
| 475-977
| 2 |
Stamford |
CT |
HRFRCT03CMD |
197D VONAGE AMERICA LLC |
920 |
|
2021-06-11 |
|
| 475-977
| 3 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2021-08-08 |
|
| 475-977
| 5 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-977
| 6 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-977
| 7 |
Stamford |
CT |
HRFRCT03XOX |
965H FRACTEL, LLC |
920 |
|
2020-09-17 |
|
| 475-977
| 8 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-977
| 9 |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
| 475-988
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 475-988
| 0 |
Bridgeport |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2015-05-08 |
|
| 475-988
| 1 |
Bridgeport |
CT |
WLMNCT132MD |
792K CHARTER IP ENABLED SERVICES, LLC |
920 |
|
2015-06-03 |
|
| 475-988
| 2 |
Bridgeport |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2016-08-18 |
|
| 475-988
| 3 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2015-10-04 |
|
| 475-988
| 4 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2015-10-04 |
|
<< 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 >>
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.