Phone Prefix
(307) 256-XXXX
WY • CHEYENNE
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Carrier Information
NANPA
State
WY
Region
WE
Rate Center
CHEYENNE
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY
OCN
6566
Status
AS
Date Assigned
Dec 19, 2007
Number Range
First Number
(307) 256-0000
Last Number
(307) 256-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 7 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (307) 256-6501 3072566501 | 2 |
| 2 | (307) 256-5759 3072565759 | 2 |
| 3 | (307) 256-2765 3072562765 | 1 |
| 4 | (307) 256-0098 3072560098 | 1 |
| 5 | (307) 256-8993 3072568993 | 1 |
| 6 | (307) 256-3449 3072563449 | 1 |
| 7 | (307) 256-1519 3072561519 | 1 |
About This Prefix
Phone numbers starting with (307) 256 are part of the North American Numbering Plan (NANP). The first three digits (307) represent the Area Code (NPA), and the next three digits (256) represent the Central Office Code (NXX) or exchange.
- NPA (307) - Numbering Plan Area, identifies the geographic region
- NXX (256) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)