What is HSW, 7209 Zero St., Ft. Smith, Arkansas, phone numbers-
479-452-6490, 479-452-6498, 479-452-0185, 479-452-0876, 479-452-7130?

Howdy mimicanham-ga,

The phone calls in question appear to be coming from Harris Siding and
Windows, also known as HSW.
http://www.harrissiding.com/

Harris Siding and Windows
7209 South Zero
Fort Smith, AR 72903

Here is their contact information.
http://www.harrissiding.com/hs/aboutus/contact.asp  
  
Phone[:] Fort Smith residents call 452-5000
All others call toll free 1-800-542-4400
E-mail[:] Info@HarrisSiding.com

A "reverse directory" lookup on the AnyWho website confirms the first
number that you provided as belonging to Harris Siding and Windows.
http://www.anywho.com/qry/wp_rl

HSW
7209 Zero St
FORT SMITH, AR 72903
479-452-6490

HSW belongs to the Arkansas Better Business Bureau and if you can not
get this issue resolved by contacting HSW directly, you could file a
complaint.
http://www.arkansas.bbb.org/commonreport.html?bid=3035

"Customer Contact: Mr. Robert Haralson, Owner - (479) 452-5000"

If you need any clarification, please feel free to ask.


Search strategy:

Google search on: "7209 Zero"
://www.google.com/search?q=%227209+Zero%22

AnyWho search as outlined above.
http://www.anywho.com/

Better Business Bureau search.
http://www.bbb.org/

Looking Forward, denco-ga - Google Answers Researcher