Called and no message. 4th consecutive call from different number with no message. Likely scam.

Called cell phone. No msg

Telemarketing call.

called and busy every time I return call

Received a call on my cell phone stating that I've been pre-approved for a business loan.   I tried to be connected to "billing admin", but the call was disconnected.

Calling the number back resulted in a "busy signal" which could mean a mis-configured phone system or the number was spoofed.

If not spoofed from the NPA-NXX  (618-230) I found that this number is being controlled by:
NEUTRAL TANDEM-ARIZONA, LLC
http://www.neutraltandem.com

Which is no surprise, as they provide VoIP for anyone that will pay....  Including these scam artists
And low and behold, a close neighbor was the infamous     PEERLESS NETWORK OF ILLINOIS,

Both these companies have dubious representations.

Interesting how the BBB rates these con artists:

https://www.bbb.org/chicago/business-reviews/ ... ago-il-88485207
https://www.bbb.org/chicago/business-reviews/ ... ewtype=negative

And how odd that Peerless and Tandem share the same office space?

https://www.google.com/search?q=550+West+Adam ... st+Adams+Street

If you want to effect change, then let BBB know how you feel.  And if really want chance, log a complaint to the FCC