Social Security in New Castle

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Contact details from the official SSA field office open-data CSV.

920 W Basin RoadNew Castle DE 19720

866-667-7221

Monday	9:00 a.m.–4:00 p.m.
Tuesday	10:00 a.m.–4:00 p.m.
Wed–Fri	9:00 a.m.–4:00 p.m.
Sat–Sun	Closed

Book appointment Official website Online service Details

Full guide for New Castle

Contact details from the official SSA field office open-data CSV.

920 W Basin RoadNew Castle DE 19720

866-667-7221

Monday	9:00 a.m.–4:00 p.m.
Tuesday	10:00 a.m.–4:00 p.m.
Wed–Fri	9:00 a.m.–4:00 p.m.
Sat–Sun	Closed

Book appointment Official website Online service Details

Content last checked: 8/11/2026 · New Castle offices