National Archives at Philadelphia

National Archives at Philadelphia

Mailing Address
900 Market Street
(entrance on Chestnut, between 9th and 10th)
Philadelphia, PA 19103-4292

Contact: Reference Desk
Phone: 215.606.0100 / 215.606.0112
Finding Aids:
Using the Advanced Search option, accessible from the ARC home-page (, you can find series-level descriptions of Maryland-related records in this region’s holdings.
Access to Collections: Original records available by appointment; we need at least 3 days to retrieve some records stored off-site.

Hours of Service
Monday – Friday: 8:00 a.m. – 5:00 p.m.
Second Saturday of each month: 8:00 a.m. – 4:00 p.m.
closed Federal holidays

The National Archives at Philadelphia holds original records of Federal agencys and Courts located in Maryland, as well as Delaware, Pennsylvania, Virginia and West Virginia. The records date from 1789 into the late 20th century. Records of Baltimore Customs Office and the Maryland U.S. District Court are the earliest and most extensive records in our holdings.

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