Local Calling Guide
Area code/prefix search
Stamford, CT
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 475-299
| 2 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-03-06 |
|
| 475-299
| 3 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-03-06 |
|
| 475-299
| 4 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-03-06 |
|
| 475-299
| 5 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-04-04 |
|
| 475-299
| 6 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-04-04 |
|
| 475-299
| 7 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2015-04-04 |
|
| 475-299
| 8 |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2015-05-11 |
|
| 475-299
| 9 |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2015-05-11 |
|
| 475-333
| A |
HRFRCT03HMD |
073H TELNYX LLC |
920 |
|
|
|
| 475-333
| 0 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2017-06-09 |
|
| 475-333
| 1 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2018-08-31 |
|
| 475-333
| 2 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-08-18 |
|
| 475-333
| 3 |
HRFRCT03HMD |
073H TELNYX LLC |
920 |
|
2017-04-20 |
|
| 475-333
| 4 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-11-27 |
|
| 475-333
| 5 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-11-27 |
|
| 475-333
| 6 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-12-12 |
|
| 475-333
| 7 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-12-12 |
|
| 475-333
| 8 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2017-12-12 |
|
| 475-333
| 9 |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2017-10-21 |
|
| 475-334
| A |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 475-334
| 0 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-22 |
|
| 475-334
| 1 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-22 |
|
| 475-334
| 2 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-11 |
|
| 475-334
| 3 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-09-22 |
|
| 475-334
| 4 |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2024-01-26 |
|
| 475-334
| 5 |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 6 |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 7 |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 8 |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-334
| 9 |
HRFRCT03SMD |
939H COMMIO, LLC |
920 |
|
2023-12-23 |
|
| 475-346
| A |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2024-02-11 |
|
| 475-346
| 0 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2024-02-11 |
|
| 475-346
| 1 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-06-07 |
|
| 475-346
| 2 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2024-02-11 |
|
| 475-346
| 3 |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2024-07-01 |
|
| 475-346
| 4 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-07-28 |
|
| 475-346
| 5 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-07-28 |
|
| 475-346
| 6 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-07-28 |
|
| 475-346
| 7 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-07-28 |
|
| 475-346
| 8 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-06-07 |
|
| 475-346
| 9 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-06-07 |
|
| 475-350
| A |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 475-350
| 0 |
HRFRCT03XMX |
145J TERRA NOVA TELECOM INC. |
920 |
|
2024-08-16 |
|
| 475-350
| 1 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-01-15 |
|
| 475-350
| 3 |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2025-01-04 |
|
| 475-350
| 4 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-01-15 |
|
| 475-350
| 5 |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2024-11-22 |
|
| 475-350
| 6 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-02-29 |
|
| 475-350
| 7 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-02-29 |
|
| 475-350
| 8 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2016-03-29 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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