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RIDERWOOD, MD ZIP Code

CityRIDERWOOD
StateMaryland
ZIP Codes count1 (see all)
Post offices count1 (see all)

ZIP Code in RIDERWOOD, Maryland

21139
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 RIDERWOOD, MD by streets

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List of RIDERWOOD, MD ZIP Codes

ZIPTYPEPOPULATION
21139PO BOX–

Post offices

RIDERWOOD — Post Office™
8016 BELLONA AVE RIDERWOOD, MD 21139-9998

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.

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ZIP Codes for other locations

State for RIDERWOOD
Maryland ZIP Codes
Other cities in Maryland
BALTIMORESILVER SPRINGBETHESDAROCKVILLEGAITHERSBURGREISTERSTOWN RD PLAZARHODES POINTRHODESDALERIDERWOODRIDGERIDGELYRISING SUN