Asked if keith was around. I hung up. These people are known to call and asked to speak to the owner, trying to sell you products from California.
These people are salesman trying to get you to purchase products for your electrical business. The caller will start out asking you how the weather is where your at. Sometimes when they call the ID will show out of area or unkown ID, however this one showed up as UNASSIGNED on my ID
If you have heard of Big State Supply or California Contractor Supply this could be them

Mine is a business phone with answering machine. No message left.

They called our home and when wife answered they wouldn't speak.  Then called back and I answered and they hung up.

They left a message saying I won a cashier check, to call them back

DIRECT ALL COMPLAINTS FOR THIS NUMBER TO: International Telcom LTD

International Telcom ltd. dba Kallback
417 Second Avenue West
Seattle, Washington USA 98119

417 2nd Ave W Ste 150
Seattle, WA 98119-4012

Phone
Local: 1-206-312-1598
          1-206-479-5200
          1-206-479-2600
          1-206-479-1511
Toll Free:1.866.312.1598

Fax: 1-206-479-0009
       1-206-479-3234
Email us at   contact@ITLtd.net
Primary Contact: Jody Kunz (Director/Customer Relations)

Alternate Business Names
Faxaway, International Telcom, Ltd, International Telcon Ltd, Kall8, Kall8.com, Kallback, Kallcents, Laser Voice Mail