ZIP Code 21042
Ellicott City, Maryland
ZIP Code Information
| ZIP Code | 21042 |
|---|---|
| City | Ellicott City |
| State | Maryland (MD) |
| County | Howard |
| Timezone |
America/New_York (UTC-4)
Details
|
| Area Codes (state) | 301, 410, 443 Details |
| Population | 39,812 Details |
| Median Household Income | $149,151 Demographics |
Population and income figures: US Census Bureau, 2012–2016 ACS 5-year estimates.
ZIP code 21042 is a five-digit postal code used by the United States Postal Service for addresses in Ellicott City, Maryland. The ZIP lies within Howard County. Clocks here follow the America/New_York time zone (UTC-4).
About 39,812 people live in this ZIP code, and the median household income is roughly $149,151 a year. Figures come from the U.S. Census Bureau American Community Survey and are refreshed as new five-year estimates are released.
What you can do with ZIP code 21042
- Write a mailing address: Ellicott City, MD 21042. The ZIP goes last, after the state abbreviation.
- Check whether a shipping or delivery quote applies to this area — most US carriers price by ZIP code rather than by city.
- Look up the local time zone before scheduling a call — the ZIP tells you which zone applies to that address.
- Compare the ZIP with neighbouring codes to see how population and income shift block by block.
Location Map
Full mapNearby ZIP Codes
Radius search| ZIP Code | City | Distance | |
|---|---|---|---|
| 21043 | Ellicott City | 5.6 km | Distance |
| 21044 | Columbia | 6.7 km | Distance |
| 21045 | Columbia | 7.9 km | Distance |
| 21041 | Ellicott City | 8 km | Distance |
| 21150 | Simpsonville | 8 km | Distance |
| 21104 | Marriottsville | 8.2 km | Distance |
| 21163 | Woodstock | 8.7 km | Distance |
| 21794 | West Friendship | 9.3 km | Distance |
| 21244 | Windsor Mill | 9.4 km | Distance |
| 21029 | Clarksville | 10.2 km | Distance |
Nearby Cities
Columbia, Maryland
(6.7 km)
Simpsonville, Maryland
(8 km)
Marriottsville, Maryland
(8.2 km)
Woodstock, Maryland
(8.7 km)
West Friendship, Maryland
(9.3 km)
Windsor Mill, Maryland
(9.4 km)
Clarksville, Maryland
(10.2 km)
Frequently Asked Questions
ZIP code 21042 is located in Ellicott City, Maryland.
ZIP code 21042 is in Howard county, Maryland.
ZIP code 21042 is in the America/New_York timezone.