Phone Prefix
(203) 400-XXXX
CT • TRUMBULL
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
CT
Region
NE
Rate Center
TRUMBULL
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Status
RT
Number Range
First Number
(203) 400-0000
Last Number
(203) 400-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
17 reports
17
Total FCC + FTC DNC complaints for numbers in this prefix
Top 12 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (203) 400-4501 2034004501 | 6 |
| 2 | (203) 400-0394 2034000394 | 1 |
| 3 | (203) 400-0815 2034000815 | 1 |
| 4 | (203) 400-1285 2034001285 | 1 |
| 5 | (203) 400-1526 2034001526 | 1 |
| 6 | (203) 400-4119 2034004119 | 1 |
| 7 | (203) 400-4822 2034004822 | 1 |
| 8 | (203) 400-5330 2034005330 | 1 |
| 9 | (203) 400-5904 2034005904 | 1 |
| 10 | (203) 400-8696 2034008696 | 1 |
| 11 | (203) 400-0176 2034000176 | 1 |
| 12 | (203) 400-9611 2034009611 | 1 |
About This Prefix
Phone numbers starting with (203) 400 are part of the North American Numbering Plan (NANP). The first three digits (203) represent the Area Code (NPA), and the next three digits (400) represent the Central Office Code (NXX) or exchange.
- NPA (203) - Numbering Plan Area, identifies the geographic region
- NXX (400) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)