Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer William L. Callahan Jr., Practice Areas Estate Planning Attorneys. is located in the city of Beltsville, the state of Maryland. Attorney legal address 11304 Rhode Island AveBeltsville, MD, 20705-1961. For more information, please call (301) 674-3268 Your comments* (not for publishing) * — Required information William L. Callahan Jr. ← View details 11304 Rhode Island AveBeltsville, MD, 20705-1961, Beltsville, Maryland (301) 674-3268