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307-540

You are reviewing the Area Code (NPA/NXX) report for 307-540. Did you mean to search the SMS short code 307540?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number307540
Basic Format307-540
NPA (Area Code)307
NXX540

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeState
307-540-XXXX013BUNION TELEPHONE COMPANYJEFFREY CYASWY

Reports

Anonymous User from Orlando, Florida

December 15, 2025 at 2:43 PM

307-540-8831 reported as a Robocall. Received on December 11, 2025 at 3:00 PM.

Anonymous User from Valparaiso, Indiana

April 3, 2023 at 5:35 PM

307-540-8950 reported as a Robocall. Received on April 3, 2023 at 12:44 PM.

Anonymous User from Casper, WY

June 14, 2021 at 6:20 PM

None reported as a Prerecorded Voice. Received on June 14, 2021 at 8:39 AM.
Unwanted call for unknown
Caller ID indicated they called from 307-540-6101
Contacted via Wired