Sales & support:
info@zipwise.com

zipwise
geographic data products

Cart

Account

ZIP Code Search

Download Updates

ZIP code 21820

Dames Quarter, MD

United States

US > MD > Somerset County > 21820

Daylight Saving: Yes
Time Zone: Eastern
Area Code: 410

Get latitude & longitude

Download this data for all ZIP codes

Name variations

	Dames Quarter	-	Preferred

Calculate distance

ZIP code 21820 is how far from:

Find nearby ZIPs

Show ZIP codes within of 21820:

©2026 Zipwise Software.
Family owned & operated since 2002.
Thank you for your business.