Which Social Security Office Serves Your ZIP Code in Millsboro?
SSA assigns Millsboro's ZIP code, 19966, to the Georgetown, Social Security Office in Georgetown. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.
ZIP code 19966 goes to the Georgetown, Social Security Office, 17 Georgetown Plz, Georgetown.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Millsboro (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.
Social Security Offices Near Areas Around Millsboro
Where people in nearby communities go, and how far it is. Each area's office is the one SSA assigns to its ZIP codes.
Social Security Office Near Georgetown
Georgetown is about 8.1 miles northwest of central Millsboro. SSA assigns its ZIP code, 19947, to the Georgetown, Social Security Office at 17 Georgetown Plz, Georgetown, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Georgetown
Social Security Office Near Rehoboth Beach
Rehoboth Beach is about 15 miles northeast of central Millsboro. SSA assigns its ZIP code, 19971, to the Georgetown, Social Security Office at 17 Georgetown Plz, Georgetown, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Rehoboth Beach
Social Security Office Near Lewes
Lewes is about 16 miles northeast of central Millsboro. SSA assigns its ZIP code, 19958, to the Georgetown, Social Security Office at 17 Georgetown Plz, Georgetown, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Lewes
Social Security Office Near Selbyville
Selbyville is about 10 miles southeast of central Millsboro. SSA assigns its ZIP code, 19975, to the Georgetown, Social Security Office at 17 Georgetown Plz, Georgetown, open Monday to Friday, 9:00 AM to 4:00 PM.
Social Security Office Near Ocean View
Ocean View is about 12 miles east of central Millsboro. SSA assigns its ZIP code, 19970, to the Georgetown, Social Security Office at 17 Georgetown Plz, Georgetown, open Monday to Friday, 9:00 AM to 4:00 PM.
Social Security Office Near Long Neck
Long Neck is about 8.3 miles east of central Millsboro. SSA assigns its ZIP code, 19966, to the Georgetown, Social Security Office at 17 Georgetown Plz, Georgetown, open Monday to Friday, 9:00 AM to 4:00 PM.
Social Security Office Near Millville
Millville is about 10 miles east of central Millsboro. SSA assigns its ZIP codes (19945 and 19967) to the Georgetown, Social Security Office at 17 Georgetown Plz, Georgetown, open Monday to Friday, 9:00 AM to 4:00 PM.
How to Get an Appointment at the Georgetown, Social Security Office
SSA asks you to make an appointment before you visit an office. You can schedule one online on SSA's appointment page by answering a few questions; the appointment may be by phone or in person, and you can change or cancel it from the confirmation email or text.
To book by phone, call the Georgetown, Social Security Office at (866) 864-1803, or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. Help is available in English, Spanish and other languages.
See office hours and appointments for the best times to call and visit.
Social Security Offices Near Other Delaware Cities
Frequently Asked Questions
Where Is the Social Security Office in Millsboro?
There isn't an office in Millsboro, DE itself. The closest is the Georgetown, Social Security Office, 17 Georgetown Plz, Georgetown, DE 19947, about 7.9 miles away.
Which Social Security Office Serves My ZIP Code in Millsboro?
SSA assigns Millsboro's ZIP code, 19966, to the Georgetown, Social Security Office in Georgetown. SSA assigns offices by ZIP code, and the assigned office isn't always the closest one. Look up your ZIP code in the table on this page or in SSA's Office Locator.
What Are Social Security Office Hours Near Millsboro?
The Georgetown, Social Security Office is open Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (checked against SSA's Office Locator on October 1, 2026). Offices close on weekends and federal holidays.
What Is the Phone Number for the Social Security Office Near Millsboro?
SSA lists (866) 864-1803 for the Georgetown, Social Security Office. SSA's national number is 1-800-772-1213.
How Do I Make an Appointment at the Social Security Office Near Millsboro?
Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Georgetown, Social Security Office at (866) 864-1803 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. SSA asks you to make an appointment before visiting an office.
Every Social Security office in Delaware