ZIP Code: 21412 - ANNAPOLIS, MD
ZIP Code 21412 is assigned to ANNAPOLIS, MD. In addition to basic details, this page includes the full ZIP+4 Codes and address information for ZIP Code 21412. You can also find related data, such as nearby ZIP Codes and other relevant geographic details.
ZIP Code 21412 Basic Information
| State | County | City | ZIP Code |
|---|---|---|---|
| MD - Maryland | Anne Arundel County | ANNAPOLIS | 21412 |
21412 ZIP+4 Code List
ZIP Code 21412 includes many ZIP+4 Codes. Each ZIP+4 Code corresponds to a specific address or group of addresses. Below is a complete list of all ZIP+4 Codes within ZIP Code 21412, along with their associated addresses. You can also find a 9-digit ZIP Code by entering a full address.
| ZIP+4 Code | Address |
|---|---|
| 21412-0400 | 1 (From 1 To 99 Odd) WILSON RD, ANNAPOLIS, MD |
| 21412-1001 | PO BOX 11001 (From 11001 To 11100), ANNAPOLIS, MD |
| 21412-1101 | PO BOX 11101 (From 11101 To 11200), ANNAPOLIS, MD |
| 21412-1201 | PO BOX 11201 (From 11201 To 11300), ANNAPOLIS, MD |
| 21412-1301 | PO BOX 11301 (From 11301 To 11400), ANNAPOLIS, MD |
| 21412-1401 | PO BOX 11401 (From 11401 To 11500), ANNAPOLIS, MD |
| 21412-1501 | PO BOX 11501 (From 11501 To 11600), ANNAPOLIS, MD |
| 21412-1601 | PO BOX 11601 (From 11601 To 11700), ANNAPOLIS, MD |
| 21412-1701 | PO BOX 11701 (From 11701 To 11800), ANNAPOLIS, MD |
| 21412-1801 | PO BOX 11801 (From 11801 To 11900), ANNAPOLIS, MD |
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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.

What does each digit of ZIP Code 21412 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.

Random Address in ZIP Code 21412
ZIP Code 21412 Map
This is the online map of ANNAPOLIS, Anne Arundel County, Maryland. You can use the controls to move around and zoom in or out. Map information is for reference only.
Nearby ZIP Codes to 21412
Nearby ZIP Codes include 21402, 21403, 21401, 21409, and 21012. These ZIP Codes are located within approximately 25 kilometers of ZIP Code 21412. The listed distances are approximate and provided for reference only.
| ZIP Code | Distance (Kilo Meters) |
|---|---|
| 21402 | 1.782 |
| 21403 | 4.124 |
| 21401 | 4.974 |
| 21409 | 5.68 |
| 21012 | 7.183 |
| 21405 | 7.277 |
| 21037 | 7.625 |
| 21140 | 8.762 |
| 21106 | 10.254 |
| 21032 | 11.456 |
| 21056 | 11.933 |
| 21146 | 12.364 |
| 21035 | 13.745 |
| 21666 | 14.58 |
| 20776 | 15.732 |
| 20765 | 15.763 |
| 21054 | 15.822 |
| 21108 | 15.873 |
| 20764 | 16.337 |
| 21122 | 16.435 |
| 21123 | 16.5 |
| 20778 | 16.756 |
| 21114 | 16.852 |
| 21619 | 18.918 |
| 20733 | 19.304 |
| 20716 | 19.823 |
| 21113 | 20.822 |
| 20751 | 21.29 |
| 20715 | 21.363 |
| 21060 | 22.812 |
| 21144 | 23.024 |
| 21062 | 23.47 |
| 20711 | 23.755 |
| 21061 | 24.125 |
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