callan83

You should be able to call them now as it has gone over 5 months.
From our tracking on here, Nebraska is processing applications from mid-January 2016.

Cases from the Philippines tend to be approved in a shorter period (1-3 months) and Potomac seems to be plowing through approvals pretty quick. But the standard rule of thumb is 5-6 months for initial approval and calling before that time has elapsed is not really helpful (i.e., you will get a standard response from the service center).