ZIP Code 5: 21791 - UNION BRIDGE, MD
ZIP Code 21791 is the postal code in UNION BRIDGE, MD. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 21791. Whatsmore, there is more information related to ZIP Code 21791. For example, nearby ZIP code around ZIP Code 21791, etc.
ZIP 21791 Basic Information
The basic information of ZIP Code 21791 is as follows, including: country, county, city, FIPS and etc.
| State | County | City | ZIP Code 5 |
|---|---|---|---|
| MD - Maryland | Carroll County | UNION BRIDGE | 21791 |
| MD - Maryland | Frederick County | UNION BRIDGE | 21791 |
📌It means zip code 21791 is across counties/cities.
What is the plus 4 zip code for 21791 ZIP Code? Below is the detail.
21791 ZIP+4 Code List
What are the 4 digit zip extensions of ZIP Code 21791? ZIP code 21791 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 21791. You can find a 9-digit ZIP Code by a full address.
| ZIP Code 5 Plus 4 | Address |
|---|---|
| 21791-0001 | PO BOX 1 (From 1 To 150), UNION BRIDGE, MD |
| 21791-0151 | PO BOX 151 (From 151 To 300), UNION BRIDGE, MD |
| 21791-0301 | PO BOX 301 (From 301 To 389), UNION BRIDGE, MD |
| 21791-0391 | PO BOX 391 (From 391 To 480), UNION BRIDGE, MD |
| 21791-0481 | PO BOX 481 (From 481 To 567), UNION BRIDGE, MD |
| 21791-0592 | PO BOX 571 (From 571 To 602), UNION BRIDGE, MD |
| 21791-1000 | PO BOX 1000 (From 1000 To 1090), UNION BRIDGE, MD |
| 21791-1100 | PO BOX 1100, UNION BRIDGE, MD |
| 21791-1110 | PO BOX 1110 (From 1110 To 1140), UNION BRIDGE, MD |
| 21791-7300 | 12300 (From 12300 To 12398 Even) LIBERTY EAST TER, UNION BRIDGE, MD |
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Post Office in ZIP Code 21791
UNION BRIDGE is the only post office in ZIP Code 21791. You can find the address, phone number, and interactive map below. Click to view the service and service hours about UNION BRIDGE.
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UNION BRIDGE Post Office
Address 111 PENROSE ST, UNION BRIDGE, MD, 21791-9998
Phone 410-775-2510
*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 21791 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 21791
ZIP Code 21791 has 744 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 21791.
ZIP 21791 Online Map
This is online map of the address UNION BRIDGE, Carroll County, Maryland. You may use button to move and zoom in / out. The map information is for reference only.
ZIP 21791 NearBy ZIP Code
The Nearby ZIP Codes are 21792, 21762, 21776, 21759, and 21757, you can find ZIP codes in a 25km radius around ZIP Code 21791 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.
School in ZIP Code 21791
This is the ZIP Code 21791 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.
| School Name | Address | City | State | Grades | ZIP Code |
|---|---|---|---|---|---|
| Elmer A. Wolfe Elementary | 119 N Main St | Union Bridge | Maryland | PK-5 | 21791 |
| Francis Scott Key Sr. High | 3825 Bark Hill Rd | Union Bridge | Maryland | 9-12 | 21791 |
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