ZIP Code 21664
Secretary, Maryland
ZIP Code Information
ZIP code 21664 is a five-digit postal code used by the United States Postal Service for addresses in Secretary, Maryland. The ZIP lies within Dorchester County. Clocks here follow the America/New_York time zone (UTC-4).
About 681 people live in this ZIP code, and the median household income is roughly $48,125 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 21664
- Write a mailing address: Secretary, MD 21664. 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 | |
|---|---|---|---|
| 21631 | East New Market | 2.1 km | Distance |
| 21835 | Linkwood | 7.8 km | Distance |
| 21643 | Hurlock | 8.3 km | Distance |
| 21673 | Trappe | 10.9 km | Distance |
| 21613 | Cambridge | 13.2 km | Distance |
| 21609 | Bethlehem | 14.6 km | Distance |
| 21659 | Rhodesdale | 15 km | Distance |
| 21655 | Preston | 15.5 km | Distance |
| 21869 | Vienna | 16 km | Distance |
| 21632 | Federalsburg | 19 km | Distance |
Nearby Cities
East New Market, Maryland
(2.1 km)
Linkwood, Maryland
(7.8 km)
Hurlock, Maryland
(8.3 km)
Trappe, Maryland
(10.9 km)
Cambridge, Maryland
(13.2 km)
Bethlehem, Maryland
(14.6 km)
Rhodesdale, Maryland
(15 km)
Preston, Maryland
(15.5 km)
Frequently Asked Questions
ZIP code 21664 is located in Secretary, Maryland.
ZIP code 21664 is in Dorchester county, Maryland.
ZIP code 21664 is in the America/New_York timezone.