Who called from 6616702616

Caller ID shown as ASPCA and the phone number is from Santa Clarita, CA.  Called my home phone many times during the past couple of weeks; sometimes two three times in a day without a word.  

It might not be the same number and the caller ID as it shown if generated by a internet phone.

ASPCA has been calling me every day for weeks. I don't answer their calls.

Called my office number.  Not real happy about that.

Called cell phone in the middle of the day.

Called today at 4:23pm (central time).  Did not answer, and they did not leave a voicemail.