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ZIP Code 5: 21139 - RIDERWOOD, MD

ZIP Code 21139 is the postal code in RIDERWOOD, MD. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 21139. Whatsmore, there is more information related to ZIP Code 21139. For example, nearby ZIP code around ZIP Code 21139, etc.

ZIP 21139 Basic Information

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The basic information of ZIP Code 21139 is as follows, including: country, county, city, FIPS and etc.

StateCountyCityZIP Code 5
MD - MarylandBaltimore CountyRIDERWOOD21139

What is the plus 4 zip code for 21139 ZIP Code? Below is the detail.

21139 ZIP+4 Code List

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What are the 4 digit zip extensions of ZIP Code 21139? ZIP code 21139 has many plus 4 codes, and each plus 4 code corresponds to one or more addresses. Below we list all the ZIP+4 codes and their addresses in the ZIP Code 21139. You can find a 9-digit ZIP Code by a full address.

ZIP Code 5 Plus 4 Address
21139-0001 PO BOX 1 (From 1 To 23), RIDERWOOD, MD
21139-0024 PO BOX 24, RIDERWOOD, MD
21139-0025 PO BOX 25 (From 25 To 35), RIDERWOOD, MD
21139-0036 PO BOX 36, RIDERWOOD, MD
21139-0037 PO BOX 37 (From 37 To 57), RIDERWOOD, MD
21139-0061 PO BOX 61 (From 61 To 116), RIDERWOOD, MD
21139-0121 PO BOX 121 (From 121 To 127), RIDERWOOD, MD
21139-0128 PO BOX 128, RIDERWOOD, MD
21139-0129 PO BOX 129 (From 129 To 180), RIDERWOOD, MD
21139-0181 PO BOX 181 (From 181 To 236), RIDERWOOD, MD

If you can't find the 21139 plus 4 zip code you need on this page, we recommend you to use the the feature of Quick Select.

Post Office in ZIP Code 21139

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RIDERWOOD is the only post office in ZIP Code 21139. You can find the address, phone number, and interactive map below. Click to view the service and service hours about RIDERWOOD.

  • RIDERWOOD Post Office more-info

    Address 8016 BELLONA AVE, RIDERWOOD, MD, 21139-9998

    Phone 410-821-7502

    *Street Parking Available

How to write a U.S. envelope?

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  • First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is the recipient's name, the second line is the street address with a detailed house number, and the last line is the city, state abbr, and ZIP Code.

    Second, write the sender's information on the left top corner of the envelope. If your mail cannot be delivered, it will return to the sender's address.

    Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

    Here is the envelope example below.

    ZIP Code: 21139

What does each digit of ZIP Code 21139 stand for?

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  • The first digit designates a national area, which ranges from zero for the Northeast to nine for the far West.

    The 2-3 digits represent a sectional center facility in that region.

    The last two digits designate small post offices or postal zones.

    ZIP Code: 21139

Random Address in ZIP 21139

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ZIP Code 21139 has 63 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 21139.

ZIP Code:21139

ZIP 21139 Online Map

ZIP 21139 Online Map

This is online map of the address RIDERWOOD, Baltimore County, Maryland. You may use button to move and zoom in / out. The map information is for reference only.

ZIP 21139 NearBy ZIP Code

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The Nearby ZIP Codes are 21204, 21022, 21094, 21093, and 21284, you can find ZIP codes in a 25km radius around ZIP Code 21139 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.

ZIP CodeDistance (Kilo Meters)
212041.603
210222.227
210942.298
210933.246
212843.434
212853.575
212523.652
212095.116
211535.295
212125.543
212105.962
212866.638
212087.296
212397.423
210657.946
212158.022
210318.563
212119.098
210309.276
212519.429
212149.892
212189.925
2123410.444
2120711.018
2121611.206
2121711.393
2121311.988
2113112.004
2111712.743
2120612.759
2109212.883
2120112.884
2123513.059
2120213.139
2105713.391
2120313.611
2123313.613
2124113.613
2126313.613
2126413.613
2127013.613
2127313.613
2127513.613
2127813.613
2127913.613
2128113.613
2128213.613
2128713.613
2128913.613
2129013.613
2129713.613
2129813.613
2120513.814
2123613.987
2122314.282
2123114.385
2124414.429
2113314.712
2122914.826
2123715.375
2113615.46
2102315.611
2115215.767
2107115.978
2123016.34
2108216.93
2122417.61
2112817.659
2122817.834
2125018.268
2105118.49
2101318.499
2122718.85
2111119.096
2116319.635
2122520.203
2102020.23
2108720.263
2104120.43
2104320.988
2122221.468
2116221.59
2115522.305
2122122.357
2115622.479
2122022.597
2104722.687
2109022.688
2110423.253
2122623.758
2104824.366
2102724.406
2107524.79
2101824.913
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ZIP Code 5: 21139 - RIDERWOOD

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