New Castle County, Delaware — ZIP directory
19 ZIP codes in New Castle County. Pick a ZIP for services, power context, permits, and FAQs written for homeowners.
- Bear 19701 — Bear
- Newark 19702 — Newark
- Claymont 19703 — Claymont
- Hockessin 19707 — Hockessin
- Middletown 19709 — Middletown
- Newark 19711 — Newark
- Newark 19713 — Newark
- New Castle 19720 — New Castle
- Townsend 19734 — Townsend
- Wilmington 19801 — Wilmington
- Wilmington 19802 — Wilmington
- Wilmington 19803 — Wilmington
- Wilmington 19804 — Wilmington
- Wilmington 19805 — Wilmington
- Wilmington 19806 — Wilmington
- Wilmington 19807 — Wilmington
- Wilmington 19808 — Wilmington
- Wilmington 19809 — Wilmington
- Wilmington 19810 — Wilmington