Who called from 2013523000

Hi Lori - 11:20am you say, that's similar to the time they contacted me (given that I am in Perth, Australia and the 12 hours time difference here):

[16/05/2016 11:06:04 PM] *** Missed call from +12013523000. ***
[16/05/2016 11:21:03 PM] *** Missed call from +12013523000. ***
[16/05/2016 11:21:21 PM] *** Missed call from +12013523000. ***

I called back & recording said was UBS Financial Services. They said Directory Assistance is now closed and to call back during normal opening hours.