Phone Prefix
(406) 203-XXXX
MT • MISSOULA
Search Number in This Prefix
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Carrier Information
NANPA
State
MT
Region
WE
Rate Center
MISSOULA
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - MT
OCN
9415
Status
RT
Number Range
First Number
(406) 203-0000
Last Number
(406) 203-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
47 reports
47
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (406) 203-3902 4062033902 | 30 |
| 2 | (406) 203-0470 4062030470 | 4 |
| 3 | (406) 203-4640 4062034640 | 2 |
| 4 | (406) 203-1346 4062031346 | 1 |
| 5 | (406) 203-1391 4062031391 | 1 |
| 6 | (406) 203-3781 4062033781 | 1 |
| 7 | (406) 203-4096 4062034096 | 1 |
| 8 | (406) 203-4539 4062034539 | 1 |
| 9 | (406) 203-4721 4062034721 | 1 |
| 10 | (406) 203-5774 4062035774 | 1 |
| 11 | (406) 203-0256 4062030256 | 1 |
| 12 | (406) 203-8436 4062038436 | 1 |
| 13 | (406) 203-0821 4062030821 | 1 |
| 14 | (406) 203-1041 4062031041 | 1 |
About This Prefix
Phone numbers starting with (406) 203 are part of the North American Numbering Plan (NANP). The first three digits (406) represent the Area Code (NPA), and the next three digits (203) represent the Central Office Code (NXX) or exchange.
- NPA (406) - Numbering Plan Area, identifies the geographic region
- NXX (203) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)