ZIP Code: 21757 - KEYMAR, MD
ZIP Code 21757 is assigned to KEYMAR, MD. In addition to basic details, this page includes the full ZIP+4 Codes and address information for ZIP Code 21757. You can also find related data, such as nearby ZIP Codes and other relevant geographic details.
ZIP Code 21757 Basic Information
| State | County | City | ZIP Code |
|---|---|---|---|
| MD - Maryland | Carroll County | KEYMAR | 21757 |
| MD - Maryland | Frederick County | KEYMAR | 21757 |
📌It means zip code 21757 is across counties/cities.
21757 ZIP+4 Code List
ZIP Code 21757 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 21757, along with their associated addresses. You can also find a 9-digit ZIP Code by entering a full address.
| ZIP+4 Code | Address |
|---|---|
| 21757-0001 | PO BOX 1 (From 1 To 14), KEYMAR, MD |
| 21757-0015 | 19901 (From 19901 To 19999 Odd) MINTINDI RD, KEYMAR, MD |
| 21757-0021 | PO BOX 21 (From 21 To 58), KEYMAR, MD |
| 21757-0061 | PO BOX 61 (From 61 To 118), KEYMAR, MD |
| 21757-0121 | PO BOX 121 (From 121 To 178), KEYMAR, MD |
| 21757-0181 | PO BOX 181 (From 181 To 238), KEYMAR, MD |
| 21757-0241 | PO BOX 241 (From 241 To 298), KEYMAR, MD |
| 21757-0301 | PO BOX 301 (From 301 To 358), KEYMAR, MD |
| 21757-0361 | PO BOX 361 (From 361 To 416), KEYMAR, MD |
| 21757-0500 | 12400 (From 12400 To 12498 Even) SMITH LN, KEYMAR, MD |
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Post Office in ZIP Code 21757
KEYMAR is the only post office in ZIP Code 21757. You can find the address, phone number, and interactive map below. Click to view the service and service hours about KEYMAR.
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KEYMAR Post Office
Address 6747 MIDDLEBURG RD, KEYMAR, MD, 21757-9998
Phone 410-775-2262
*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 21757 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 21757
ZIP Code 21757 has 702 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 21757.
ZIP Code 21757 Map
This is the online map of KEYMAR, Carroll 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 21757
Nearby ZIP Codes include 21759, 21775, 21798, 21778, and 21791. These ZIP Codes are located within approximately 25 kilometers of ZIP Code 21757. The listed distances are approximate and provided for reference only.
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