(303) 900 in Idaho Springs, CO

listed as potential spam and left no voicemail

Spam call. Has called 4 times now. No voice-mail.

Unknown, but they didn't leave a message and internet search says they're likely a scam, trying to collect on student loans.

Prostitute, has been soliciting to my under age child and sending unwanted pics via social media. Older person as well.

Text from 3039004499 and2027351857 both say they are general Richard D. Clarke so who is calling both asking for money

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They call and leave no message, when I answer, the phone hangs up immediately. If you try to call this number back it says you have reached a number that has been disconnected. They call me every day between 3PM and 4PM

calls several times a day no message. when i call back says i have dialed incorrectly. i call blocked them

Called 3 - 4 times in a day over the last 3 days and when I call back I am told that I have dialed incorrectly (sounds like an outbound only line number).

This number is relentless. Won't stop. Caller ID is made up of letters and numbers that mean nothing.