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 60 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 475-385
| 5 |
Stamford |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-24 |
|
| 475-385
| 6 |
Stamford |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-24 |
|
| 475-385
| 7 |
Stamford |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-24 |
|
| 475-385
| 8 |
Stamford |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-22 |
|
| 475-385
| 9 |
Stamford |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-02-22 |
|
| 475-386
| A |
Trumbull |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-386
| 0 |
Trumbull |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2025-03-25 |
|
| 475-386
| 1 |
Trumbull |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2026-06-22 |
|
| 475-386
| 6 |
Trumbull |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-386
| 7 |
Trumbull |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-386
| 8 |
Trumbull |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-386
| 9 |
Trumbull |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-387
| A |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-387
| 0 |
New Haven |
CT |
|
732J NUSO, LLC |
920 |
|
2025-04-28 |
|
| 475-387
| 1 |
New Haven |
CT |
|
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2025-04-11 |
|
| 475-387
| 6 |
New Haven |
CT |
|
732J NUSO, LLC |
920 |
|
2025-04-28 |
|
| 475-387
| 8 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-387
| 9 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-388
| A |
Stamford |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-388
| 0 |
Stamford |
CT |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2025-03-25 |
|
| 475-388
| 1 |
Stamford |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2025-05-10 |
|
| 475-388
| 2 |
Stamford |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2025-10-12 |
|
| 475-388
| 6 |
Stamford |
CT |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2026-05-09 |
|
| 475-388
| 7 |
Stamford |
CT |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2026-05-09 |
|
| 475-388
| 8 |
Stamford |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2025-09-06 |
|
| 475-388
| 9 |
Stamford |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-389
| A |
Waterbury |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-389
| 0 |
Waterbury |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2025-05-10 |
|
| 475-389
| 1 |
Waterbury |
CT |
|
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2025-06-19 |
|
| 475-389
| 3 |
Waterbury |
CT |
|
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2026-01-01 |
|
| 475-389
| 7 |
Waterbury |
CT |
|
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2026-06-08 |
|
| 475-389
| 8 |
Waterbury |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-389
| 9 |
Waterbury |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-03-24 |
|
| 475-390
| A |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 0 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 1 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 2 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 3 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 4 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 5 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 6 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 7 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 8 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-390
| 9 |
New Haven |
CT |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2025-05-23 |
|
| 475-391
| A |
Bridgeport |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2025-05-30 |
|
| 475-391
| 0 |
Bridgeport |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2025-05-30 |
|
| 475-391
| 1 |
Bridgeport |
CT |
|
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2025-07-08 |
|
| 475-391
| 2 |
Bridgeport |
CT |
|
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2025-10-16 |
|
| 475-391
| 3 |
Bridgeport |
CT |
|
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2026-02-05 |
|
| 475-391
| 8 |
Bridgeport |
CT |
|
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2026-02-19 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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