Keep calling from this number every day (5 calls) no msg. left. ID says Philadelphia, PA. Called back, got "You have reached the SMG Call Center bla..bla..bla. Blocked after first call, no regrets. Thanks 800 notes site for the database.
Recently bought Panasonic KX-TG7871 with a very cool feature: It can store up to 250 numbers in the call block list! So, thanks Panasonic for that too.