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 |
| 475-800
| 1 |
New Haven |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-06-27 |
|
| 475-800
| 2 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2018-10-21 |
|
| 475-800
| 3 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2018-10-21 |
|
| 475-800
| 4 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2018-07-24 |
|
| 475-800
| 5 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2018-07-24 |
|
| 475-800
| 6 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2018-07-24 |
|
| 475-800
| 7 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2018-07-24 |
|
| 475-800
| 8 |
New Haven |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2017-11-26 |
|
| 475-800
| 9 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2018-07-24 |
|
| 475-832
| A |
Wilton |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
|
|
| 475-832
| 0 |
Wilton |
CT |
|
515J IP HORIZON LLC |
920 |
|
2022-07-31 |
|
| 475-832
| 1 |
Wilton |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2023-11-16 |
|
| 475-832
| 3 |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-832
| 4 |
Wilton |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
2022-03-12 |
|
| 475-832
| 5 |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-832
| 6 |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-832
| 7 |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-832
| 8 |
Wilton |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-10-14 |
|
| 475-832
| 9 |
Wilton |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2023-02-26 |
|
| 475-837
| A |
New Haven |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
|
|
| 475-837
| 0 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2021-02-05 |
|
| 475-837
| 1 |
New Haven |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2021-02-20 |
|
| 475-837
| 2 |
New Haven |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2021-02-20 |
|
| 475-837
| 3 |
New Haven |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2021-03-21 |
|
| 475-837
| 4 |
New Haven |
CT |
HRFRCT03XSX |
516J TON80 COMMUNICATIONS, LLC |
920 |
|
2020-12-31 |
|
| 475-837
| 5 |
New Haven |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
2021-03-10 |
|
| 475-837
| 6 |
New Haven |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
2021-03-10 |
|
| 475-837
| 7 |
New Haven |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
2021-03-10 |
|
| 475-837
| 8 |
New Haven |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2021-03-21 |
|
| 475-837
| 9 |
New Haven |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-03-12 |
|
| 475-850
| A |
Norwalk |
CT |
HRFRCT0344Z |
866H BARR TEL USA, INC. - CT |
920 |
|
|
|
| 475-850
| 0 |
Norwalk |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2024-12-15 |
|
| 475-850
| 1 |
Norwalk |
CT |
HRFRCT0344Z |
866H BARR TEL USA, INC. - CT |
920 |
|
2022-04-23 |
|
| 475-850
| 2 |
Norwalk |
CT |
NRWLCT02Y0X |
425J CSC WIRELESS, LLC |
920 |
|
2023-08-20 |
|
| 475-850
| 3 |
Norwalk |
CT |
NRWLCT02Y0X |
425J CSC WIRELESS, LLC |
920 |
|
2023-10-20 |
|
| 475-850
| 4 |
Norwalk |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-19 |
|
| 475-850
| 5 |
Norwalk |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-19 |
|
| 475-850
| 7 |
Norwalk |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2024-03-25 |
|
| 475-850
| 8 |
Norwalk |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2024-02-09 |
|
| 475-867
| A |
Danbury |
CT |
HRFRCTBC0MD |
939H COMMIO, LLC |
920 |
|
|
|
| 475-867
| 0 |
Danbury |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2023-11-03 |
|
| 475-867
| 1 |
Danbury |
CT |
HRFRCTBC0MD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-867
| 2 |
Danbury |
CT |
HRFRCTBC0MD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-867
| 3 |
Danbury |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2023-12-20 |
|
| 475-867
| 4 |
Danbury |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2023-12-20 |
|
| 475-867
| 5 |
Danbury |
CT |
HRFRCTBC0MD |
939H COMMIO, LLC |
920 |
|
2022-11-13 |
|
| 475-867
| 6 |
Danbury |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-19 |
|
| 475-867
| 7 |
Danbury |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-19 |
|
| 475-867
| 8 |
Danbury |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2023-09-08 |
|
| 475-867
| 9 |
Danbury |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2023-03-24 |
|
<< 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.ms
Like this site? We accept donations via PayPal.