This person calls often and does not say anything or leave a message.
This is quite annoying and would like it to stop.

Yes and take a look at the prices at these so called discount stores tripled in the last several years, more expensive than wallmart LOL.

Got a call from (613) 746-4633, which is a Bell managed residential or business land line in Ottawa, ON, from my search.

Keep getting calls from (613) 746-4633 almost daily. Name unknown but someone definitely hangs up after listening to me say "hello" several times.

Try calling the Clothesline number 1+1 800-505-5525. They'll take your number off the call list.

Jen:  Thanks for I.D.ing the caller.  My phone screen says "unknown caller" and they never leave a message.  This is the second time they have called my number this month.  I don't answer the phone.I have been harassed by The Canadian Diabetes Association for several years, and I told them in no uncertain terms to take my number OFF their list!  It appears they have a very short memory.  This all started about 12 years ago when my daughter gave them a donation of clothes.  Since then they have been called ridiculously too often. It isn't as if everyone changes their wardrobe every week, & she had given all she had at the time.  She is no longer living here.  This is a very poor policy by the CDA, and I think I will write to their organization to let them know it has a VERY NEGATIVE EFFECT on the people they bug! Frankly if I did have any unwanted clothes I would rather give them to any OTHER  organization OR burn them in my fire pit rather than hand them over to that organization!