is “wheresmycellphone.com” safe? i needed to find my phone and this was the only site available?

i used this site knowing it may have been bad. it has no negative reviews that i have seen. when i used the service to call my cellphone, i found the phone there was a 30 second ad from 481 516 2324. i do not mind getting this ad in particular, because i prompted for my phone to ring and i was curious what automated message i was going to get.

i am more concerned about since i entered my number, am i going to get unsolicited calls from this website since i entered my number in their site.