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ZIP Code 5: 21231 - BALTIMORE, MD

ZIP Code 21231 is the postal code in BALTIMORE, MD. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 21231. Whatsmore, there is more information related to ZIP Code 21231. For example, nearby ZIP code around ZIP Code 21231, etc.

ZIP 21231 Basic Information

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The basic information of ZIP Code 21231 is as follows, including: country, county, city, FIPS and etc.

StateCountyCityZIP Code 5
MD - MarylandBaltimore cityBALTIMORE21231

What is the plus 4 zip code for 21231 ZIP Code? Below is the detail.

21231 ZIP+4 Code List

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What are the 4 digit zip extensions of ZIP Code 21231? ZIP code 21231 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 21231. You can find a 9-digit ZIP Code by a full address.

ZIP Code 5 Plus 4 Address
21231-0001 PO BOX 6001 (From 6001 To 6120), BALTIMORE, MD
21231-0121 PO BOX 6121 (From 6121 To 6180), BALTIMORE, MD
21231-0181 PO BOX 6181 (From 6181 To 6199), BALTIMORE, MD
21231-0200 223 BROADWAY APT 1R (From 1R To 2R Both of Odd and Even), BALTIMORE, MD
21231-0200 223 BROADWAY APT 2F (From 2F To 3F Both of Odd and Even), BALTIMORE, MD
21231-0201 141 BROADWAY, BALTIMORE, MD
21231-0201 141 BROADWAY APT 1 (From 1 To 3 Both of Odd and Even), BALTIMORE, MD
21231-0202 143 BROADWAY, BALTIMORE, MD
21231-0202 143 BROADWAY APT 1 (From 1 To 3 Both of Odd and Even), BALTIMORE, MD
21231-0286 PO BOX 38186, BALTIMORE, MD

If you can't find the 21231 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 21231

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FELLS POINT is the only post office in ZIP Code 21231. You can find the address, phone number, and interactive map below. Click to view the service and service hours about FELLS POINT.

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: 21231

What does each digit of ZIP Code 21231 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: 21231

Random Address in ZIP 21231

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ZIP Code 21231 has 3,574 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 21231.

ZIP Code:21231

ZIP 21231 Online Map

ZIP 21231 Online Map

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

ZIP 21231 NearBy ZIP Code

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The Nearby ZIP Codes are 21202, 21233, 21241, 21263, and 21264, you can find ZIP codes in a 25km radius around ZIP Code 21231 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.

ZIP CodeDistance (Kilo Meters)
212021.598
212331.763
212411.763
212631.763
212641.763
212701.763
212731.763
212751.763
212781.763
212791.763
212811.763
212821.763
212871.763
212891.763
212901.763
212971.763
212981.763
212031.772
212012.85
212052.941
212303.652
212133.664
212174.475
212184.584
212245.116
212235.148
212115.996
212516.118
212256.778
212067.083
212147.404
212167.505
212398.337
212108.539
212278.607
212298.765
212128.911
212229.032
212269.383
2121510.06
2123710.136
2125010.773
2120911.005
2109011.216
2125211.254
2120711.339
2123512.377
2123412.787
2106012.888
2120413.17
2122813.319
2122113.515
2128614.218
2106214.234
2128414.309
2124014.319
2113914.385
2128514.408
2123614.413
2106114.539
2109415.123
2105215.533
2120815.588
2121916.069
2102216.214
2107516.546
2107617.134
2109317.141
2107717.311
2124417.314
2122017.405
2104317.534
2115317.691
2104117.928
2112818.413
2112319.315
2112219.38
2105719.505
2116220.176
2114420.367
2102720.813
2113321.411
2109221.429
2106521.95
2104522.072
2110822.753
2103122.772
2108723.233
2079423.387
2108223.408
2111723.553
2103023.556
2116323.592
2113123.652
2114623.908
2115624.034
2105124.333
2070124.51
2104624.581
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Museum in ZIP Code 21231

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This is the ZIP Code 21231 - Museum page list. Its detail Museum Name, Street, City, State, ZIP Code, Phone is as below.

NameStreetCityStateZIP CodePhone
ROBERT LONG HOUSE812 S ANN STBALTIMORE MD21231(410) 675-6750
BALTIMORE MARITIME MUSEUM802 S CAROLINE STREETBALTIMORE MD21231(410) 539-1797
HISTORIC FELLS POINT AND FEDERAL HILL FUND812 SOUTH ANN STREETBALTIMORE MD21231
NATIONAL CATHOLIC MUSEUM AND INSTITUTE524 S WOLFE STBALTIMORE MD21231

School in ZIP Code 21231

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This is the ZIP Code 21231 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.

School NameAddressCityStateGradesZIP Code
Commodore John Rogers Elementary 100 N Chester StBaltimore MarylandPK-521231
City Springs Elementary 100 S Caroline StBaltimore MarylandPK-621231
Alternative Learning Center 1601 E Pratt StBalitmore Maryland6-1121231
ZIP Code 5: 21231 - BALTIMORE

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