Wilmington Social Security Office

Social Security field office in New Castle, Delaware · New Castle County

Source: Social Security Administration field office list September 2026

Address and phone

(866) 667-7221office line

920 W Basin Road, Suite 200, New Castle, DE 19720

(833) 912-2300fax

Get directions

Services you can do online at ssa.gov

National line: 1-800-772-1213 (TTY 1-800-325-0778), Mon–Fri 8 AM–7 PM local time.

Hours

Monday: 9:00 AM – 4:00 PM
Tuesday: 9:00 AM – 4:00 PM
Wednesday: 9:00 AM – 4:00 PM
Thursday: 9:00 AM – 4:00 PM
Friday: 9:00 AM – 4:00 PM
Saturday – Sunday: Closed

Closed on federal holidays. Many offices see visitors by appointment; call ahead before you go.

Where it is

County: New Castle County
Metro area: Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
State: Delaware
ZIP code: 19720
SSA office code: 267

All offices in Delaware →

Other offices nearby

#	Office	Miles	Address	Phone	Hours
1	Elkton, MDCecil County	13.5	300 Big Elk MallElkton, MD 21921	(866) 331-2218	Mon–Fri 9 AM–4 PM
2	Chester, PADelaware County	16.8	807 Crosby StreetChester, PA 19013	(866) 398-1456	Mon–Fri 9 AM–4 PM
3	West Chester, PADelaware County	18.6	1101 West Chester PikeWest Chester, PA 19382	(888) 306-3216	Mon–Fri 9 AM–4 PM
4	Upper Darby, PADelaware County	25.2	8645 West Chester PikeUpper Darby, PA 19082	(866) 964-0780	Mon–Fri 9 AM–4 PM
5	Glassboro, NJGloucester County	25.8	830 Delsea Dr NorthGlassboro, NJ 08028	(866) 883-5305	Mon–Fri 9 AM–4 PM
6	Bridgeton, NJCumberland County	26.4	149 West Broad StreetBridgeton, NJ 08302	(866) 837-1235	Mon–Fri 9 AM–4 PM
7	Phila South, PAPhiladelphia County	27.1	3336 S Broad Street, Stadium PlazaPhiladelphia, PA 19145	(877) 575-5191	Mon–Fri 9 AM–4 PM
8	Phila University City, PAPhiladelphia County	27.7	4240 Market StreetPhiladelphia, PA 19104	(877) 445-9977	Mon–Fri 9 AM–4 PM

Source: SSA field office list (public ArcGIS copy, Sep 2026). Hours and services can change; check ssa.gov or call the office before visiting. Distances are straight-line miles.