"The Delaware State Escheator has two claims processing units one located in Wilmington, DE and one located in Boston, MA. Pursuant to state statute we need a written inquiry. If you reside in Delaware please write to:

DELAWARE STATE ESCHEATOR
P. O.  BOX 8931
WILMINGTON, DE 19899

If you reside in a state other than Delaware or reside overseas please write to:

DELAWARE STATE ESCHEATOR
P.O. BOX 962049
BOSTON, MA 02196-2049

PLEASE NOTE : DUE TO UNPRECEDENTED CLAIMS ACTIVITY YOUR INQUIRY WILL BE ACKNOWLEDGED, HOWEVER IT MAY TAKE UP TO EIGHT WEEKS OR MORE BEFORE YOU GET A WRITTEN RESPONSE.." (taken from Deleware State Escheator Website)