ZIP Code 21158 – Westminster, MD
Westminster, Maryland · Carroll County · Eastern time
| ZIP code | 21158 |
|---|---|
| City | Westminster |
| State | Maryland |
| County | Carroll County |
| Population | 22,083 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 73.32 sq mi |
| Center (lat, long) | 39.6537, -77.0351 |
Area codes in this area
These are the area codes that most often serve ZIP 21158 (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
About ZIP 21158
ZIP code 21158 is assigned to Westminster, Maryland. It lies in Carroll County. Its Census area covers about 73.32 square miles of land. The closest neighboring ZIP is 21787 (Taneytown), about 7.5 miles away.
Every address in 21158 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