For Non-Lehigh County residents:
>Department of State
Division of Commissions and Notarial Acts
P.O. Box 8722
Harrisburg, PA 17105-8722
>Phone: 717-787-6539
>Fax: 717-783-6541
>Email: commissionsandnotarial@state.pa.us
For Lehigh County residents:
>Lehigh County Courthouse
1750 Main St
Allentown, PA 18102
>Phone: 610-782-3150
In addition to the Department of State, you may also be able to obtain an apostille from the county clerk's office in the county where the document was issued.