Rockville, MD ZIP Codes, Coordinates & Counties
Rockville, Maryland has 4 ZIP codes in Montgomery county. The approximate center of Rockville is 39.081, -77.131. Rockville has about 253,425 known street addresses.
ZIP codes in Rockville, MD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 20850 | Montgomery | 39.091 | -77.181 |
| 20851 | Montgomery | 39.078 | -77.122 |
| 20852 | Montgomery | 39.051 | -77.125 |
| 20853 | Montgomery | 39.102 | -77.095 |
Counties Rockville spans
Montgomery
Most common streets in Rockville
Rockville, Monroe, Grosvenor, Nicholson, College, Veirs Mill, King Farm, Old Georgetown, Montrose, Chase Crossing
Frequently asked questions
What ZIP codes are in Rockville, MD?
Rockville, Maryland has 4 ZIP codes, ranging from 20850 to 20853. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Rockville, MD in?
Rockville is in Montgomery county.
What are the latitude and longitude of Rockville, MD?
The approximate center of Rockville, Maryland is latitude 39.081, longitude -77.131. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Rockville, MD have?
Rockville has 4 ZIP codes.
How many addresses are in Rockville, MD?
Rockville, Maryland has about 253,425 known street addresses in the sthan.io US address database.
What are the most common streets in Rockville, MD?
Some of the most common street names in Rockville are Rockville, Monroe, Grosvenor, Nicholson, College, Veirs Mill.
What cities are near Rockville, MD?
Cities near Rockville include Derwood (4 mi), Garrett Park (4 mi), Kensington (5 mi), Washington Grove (5 mi), Gaithersburg (6 mi).
Cities near Rockville
Derwood, MD (4 mi) Garrett Park, MD (4 mi) Kensington, MD (5 mi) Washington Grove, MD (5 mi) Gaithersburg, MD (6 mi) Olney, MD (6 mi) Potomac, MD (6 mi) Bethesda, MD (7 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database