Baltimore County, Maryland — ZIP directory
31 ZIP codes in Baltimore County. Pick a ZIP for services, power context, permits, and FAQs written for homeowners.
- Baldwin 21013 — Baldwin
- Cockeysville 21030 — Cockeysville
- Freeland 21053 — Freeland
- Glen Arm 21057 — Glen Arm
- Kingsville 21087 — Kingsville
- Lutherville Timonium 21093 — Lutherville Timonium
- Monkton 21111 — Monkton
- Owings Mills 21117 — Owings Mills
- Parkton 21120 — Parkton
- Perry Hall 21128 — Perry Hall
- Phoenix 21131 — Phoenix
- Randallstown 21133 — Randallstown
- Reisterstown 21136 — Reisterstown
- Sparks Glencoe 21152 — Sparks Glencoe
- Upperco 21155 — Upperco
- White Marsh 21162 — White Marsh
- Woodstock 21163 — Woodstock
- Towson 21204 — Towson
- Gwynn Oak 21207 — Gwynn Oak
- Pikesville 21208 — Pikesville
- Sparrows Point 21219 — Sparrows Point
- Middle River 21220 — Middle River
- Essex 21221 — Essex
- Dundalk 21222 — Dundalk
- Halethorpe 21227 — Halethorpe
- Catonsville 21228 — Catonsville
- Parkville 21234 — Parkville
- Nottingham 21236 — Nottingham
- Rosedale 21237 — Rosedale
- Windsor Mill 21244 — Windsor Mill
- Towson 21286 — Towson