Phone Prefix
(406) 489-XXXX
MT • SIDNEY
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Carrier Information
NANPA
State
MT
Region
WE
Rate Center
SIDNEY
Assigned To
NEW CINGULAR WIRELESS PCS, LLC
OCN
6010
Status
RT
Number Range
First Number
(406) 489-0000
Last Number
(406) 489-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (406) 489-3669 4064893669 | 1 |
| 2 | (406) 489-4201 4064894201 | 1 |
| 3 | (406) 489-4294 4064894294 | 1 |
| 4 | (406) 489-6061 4064896061 | 1 |
| 5 | (406) 489-6391 4064896391 | 1 |
About This Prefix
Phone numbers starting with (406) 489 are part of the North American Numbering Plan (NANP). The first three digits (406) represent the Area Code (NPA), and the next three digits (489) represent the Central Office Code (NXX) or exchange.
- NPA (406) - Numbering Plan Area, identifies the geographic region
- NXX (489) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)