ZIP Code 21139 – Riderwood, Maryland | ZipsCode.us
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ZIP Code 21139
Riderwood, Maryland · Baltimore
ZIP code 21139 belongs to the city of Riderwood in Maryland (Baltimore). See all Maryland ZIP Codes.
ZIP code 21139 belongs to Riderwood, Maryland, in Baltimore. If you are mailing a letter or package to this area, use Riderwood, MD 21139 in the address. On this page you will find the city and county for 21139, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 21139?
The city for ZIP code 21139 is Riderwood, Maryland. When you write an address in this area, the correct format is: Name, Street Address, Riderwood, MD 21139.
ZIP Code 21139 County and State
ZIP code 21139 is located in Baltimore, Maryland. For a complete list of cities and ZIP codes across the state, see the Maryland ZIP Codes page.
Nearby ZIP Codes in Baltimore
These ZIP codes are in the same county as 21139:
ZIP Code 21139 on the Map
The map below shows the approximate center of ZIP code 21139, near Riderwood, Maryland. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 39.4093, -76.6486). Map data © OpenStreetMap.
Find an Address in ZIP Code 21139
Need the full ZIP+4 code for a specific street address in Riderwood? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 21139?
ZIP code 21139 is for Riderwood, Maryland.
What county is ZIP code 21139 in?
ZIP code 21139 is in Baltimore, Maryland.
What state is ZIP code 21139 in?
ZIP code 21139 is in Maryland (MD).
How do I find the ZIP+4 for an address in 21139?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 21139?
Nearby ZIP codes include 21013 (Baldwin), 21020 (Boring), 21022 (Brooklandville), 21023 (Butler), 21027 (Chase).
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