Phone Prefix
(406) 866-XXXX
MT • GREATFALLS
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Carrier Information
NANPA
State
MT
Region
WE
Rate Center
GREATFALLS
Assigned To
CHARTER IP ENABLED SERVICES, LLC
OCN
792K
Status
AS
Date Assigned
Mar 01, 2006
Number Range
First Number
(406) 866-0000
Last Number
(406) 866-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (406) 866-0020 4068660020 | 1 |
| 2 | (406) 866-0213 4068660213 | 1 |
| 3 | (406) 866-0214 4068660214 | 1 |
| 4 | (406) 866-0321 4068660321 | 1 |
| 5 | (406) 866-0537 4068660537 | 1 |
| 6 | (406) 866-1683 4068661683 | 1 |
| 7 | (406) 866-2025 4068662025 | 1 |
| 8 | (406) 866-2302 4068662302 | 1 |
| 9 | (406) 866-3316 4068663316 | 1 |
About This Prefix
Phone numbers starting with (406) 866 are part of the North American Numbering Plan (NANP). The first three digits (406) represent the Area Code (NPA), and the next three digits (866) represent the Central Office Code (NXX) or exchange.
- NPA (406) - Numbering Plan Area, identifies the geographic region
- NXX (866) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)