Passport Application Services - Kingsville 7363 Sunshine Ave Kingsville, MD 21087 Phone : (410) 592-6272 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (410) 817-4238 Post Office - Kingsville 7363 Sunshine Ave Kingsville, MD 21087 Phone : (410) 592-6272 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (410) 817-4238 United States Goverment--postal Service Us, Kingsville 6763 Sunshine Ave Kingsville, MD 21087 Phone : (410) 592-6272 Business Category Government Offices-Federal Government Offices & Public Schools