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ROCKY RIDGE, MD ZIP Code

CityROCKY RIDGE
StateMaryland
ZIP Codes count1 (see all)
Post offices count2 (see all)
ZIP Code for ROCKY RIDGE, Maryland
21778
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.

ZIP Codes for ROCKY RIDGE, MD by streets

Select a street from the list to find ZIP+4 code by address (street and house number)

List of ROCKY RIDGE, MD ZIP Codes

ZIPTYPEPOPULATION
21778STANDARD681

Post offices

ROCKY RIDGE — Post Office™
13516 MOTTERS STATION RD ROCKY RIDGE, MD 21778-9998
THURMONT — Post Office™
110 WATER ST THURMONT, MD 21788-9998

Envelope example

On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:

  1. Recipient's full name
  2. Full street address
  3. City, State, and ZIP Code

Using the same format, write the return address in the top left corner.

Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.
The recipient address information is provided for your reference.
The recipient address information is provided for your reference.

Address example

9856 4 POINTS RD
ROCKY RIDGE MD  21778-9727
15274 BOLLINGER RD
ROCKY RIDGE MD  21778-9402
23378 FARKENCO RD
ROCKY RIDGE MD  21778-8907
14493 HOOVERS MILL RD
ROCKY RIDGE MD  21778-9313
13047 LEGORE BRIDGE RD
ROCKY RIDGE MD  21778-8513
14525 MUD COLLEGE RD
ROCKY RIDGE MD  21778-9600

Map

ZIP Codes for other locations

State for ROCKY RIDGE
Maryland ZIP Codes
Other cities in Maryland
BALTIMORESILVER SPRINGBETHESDAROCKVILLEGAITHERSBURGROCK HALLROCK POINTROCKVILLEROCKY RIDGEROGERS HEIGHTSROHRERSVILLEROLAND PARK