Phone Prefix
(307) 257-XXXX
WY • GILLETTE
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Carrier Information
NANPA
State
WY
Region
WE
Rate Center
GILLETTE
Assigned To
NEW CINGULAR WIRELESS PCS, LLC
OCN
6010
Status
AS
Date Assigned
Oct 25, 2006
Number Range
First Number
(307) 257-0000
Last Number
(307) 257-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
20 reports
20
Total FCC + FTC DNC complaints for numbers in this prefix
Top 18 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (307) 257-8849 3072578849 | 3 |
| 2 | (307) 257-2539 3072572539 | 1 |
| 3 | (307) 257-2594 3072572594 | 1 |
| 4 | (307) 257-2774 3072572774 | 1 |
| 5 | (307) 257-3679 3072573679 | 1 |
| 6 | (307) 257-5837 3072575837 | 1 |
| 7 | (307) 257-5978 3072575978 | 1 |
| 8 | (307) 257-6065 3072576065 | 1 |
| 9 | (307) 257-6399 3072576399 | 1 |
| 10 | (307) 257-7915 3072577915 | 1 |
| 11 | (307) 257-8390 3072578390 | 1 |
| 12 | (307) 257-8635 3072578635 | 1 |
| 13 | (307) 257-8789 3072578789 | 1 |
| 14 | (307) 257-8793 3072578793 | 1 |
| 15 | (307) 257-8902 3072578902 | 1 |
| 16 | (307) 257-9778 3072579778 | 1 |
| 17 | (307) 257-1759 3072571759 | 1 |
| 18 | (307) 257-9983 3072579983 | 1 |
About This Prefix
Phone numbers starting with (307) 257 are part of the North American Numbering Plan (NANP). The first three digits (307) represent the Area Code (NPA), and the next three digits (257) represent the Central Office Code (NXX) or exchange.
- NPA (307) - Numbering Plan Area, identifies the geographic region
- NXX (257) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)