Find the last 4 digits (ZIP+4) for an address in 21027

ZIP 21027, Chase, MD is filled in. Just type the street address.

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ZIP Code 21027 – Chase, MD

Chase, Maryland · Baltimore County · Eastern time

ZIP code21027
CityChase
StateMaryland
CountyBaltimore County
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)39.3634, -76.3711

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21027 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

21220 Middle River · 1.8 mi21162 White Marsh · 2.6 mi21010 Gunpowder · 4.6 mi21156 Upper Falls · 4.9 mi21128 Perry Hall · 5 mi21085 Joppa · 5.7 mi21221 Essex · 6 mi21236 Nottingham · 6.2 mi

About ZIP 21027

ZIP code 21027 is assigned to Chase, Maryland. It lies in Baltimore County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 21220 (Middle River), about 1.8 miles away.

Every address in 21027 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources