ZIP Code: 21520 - ACCIDENT, MD
ZIP Code 21520 is assigned to ACCIDENT, MD. In addition to basic details, this page includes the full ZIP+4 Codes and address information for ZIP Code 21520. You can also find related data, such as nearby ZIP Codes and other relevant geographic details.
21520 ZIP+4 Code List
ZIP Code 21520 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 21520, along with their associated addresses. You can also find a 9-digit ZIP Code by entering a full address.
| ZIP+4 Code | Address |
|---|---|
| 21520-0001 | PO BOX 1 (From 1 To 38), ACCIDENT, MD |
| 21520-0041 | PO BOX 41 (From 41 To 78), ACCIDENT, MD |
| 21520-0081 | PO BOX 81 (From 81 To 118), ACCIDENT, MD |
| 21520-0121 | PO BOX 121 (From 121 To 158), ACCIDENT, MD |
| 21520-0161 | PO BOX 161 (From 161 To 198), ACCIDENT, MD |
| 21520-0201 | PO BOX 201 (From 201 To 239), ACCIDENT, MD |
| 21520-0241 | PO BOX 241 (From 241 To 260), ACCIDENT, MD |
| 21520-0261 | PO BOX 261 (From 261 To 300), ACCIDENT, MD |
| 21520-0301 | PO BOX 301 (From 301 To 304), ACCIDENT, MD |
| 21520-0305 | PO BOX 305 (From 305 To 310), ACCIDENT, MD |
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Post Office in ZIP Code 21520
ACCIDENT is the only post office in ZIP Code 21520. You can find the address, phone number, and interactive map below. Click to view the service and service hours about ACCIDENT.
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ACCIDENT Post Office
Address 103 SOUTH ST, ACCIDENT, MD, 21520-9998
Phone 301-746-8420
*Lot 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.

What does each digit of ZIP Code 21520 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 21520
ZIP Code 21520 Map
This is the online map of ACCIDENT, Garrett 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 21520
Nearby ZIP Codes include 21531, 21522, 21536, 21541, and 15411. These ZIP Codes are located within approximately 25 kilometers of ZIP Code 21520. The listed distances are approximate and provided for reference only.
Library in ZIP Code 21520
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ACCIDENT BRANCH
Phone: (301) 746-8792Address: 106 S. NORTH STREET, ACCIDENT MD 21520, USA
School in ZIP Code 21520
This is the ZIP Code 21520 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.
| School Name | Address | City | State | Grades | ZIP Code |
|---|---|---|---|---|---|
| Northern Middle School | 371 Pride Pkwy | Accident | Maryland | 6-8 | 21520 |
| Accident Elementary | 534 Accident-bittinger Rd | Accident | Maryland | PK-5 | 21520 |
| Northern Garrett High School | 86 Pride Pkwy | Accident | Maryland | 9-12 | 21520 |
| Northern High Evening School | 86 Pride Pkwy | Accident | Maryland | 12-12 | 21520 |
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