ZIP Code: 20637 - HUGHESVILLE, MD
ZIP Code 20637 is assigned to HUGHESVILLE, MD. In addition to basic details, this page includes the full ZIP+4 Codes and address information for ZIP Code 20637. You can also find related data, such as nearby ZIP Codes and other relevant geographic details.
20637 ZIP+4 Code List
ZIP Code 20637 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 20637, along with their associated addresses. You can also find a 9-digit ZIP Code by entering a full address.
| ZIP+4 Code | Address |
|---|---|
| 20637-0001 | PO BOX 1 (From 1 To 118), HUGHESVILLE, MD |
| 20637-0121 | PO BOX 121 (From 121 To 238), HUGHESVILLE, MD |
| 20637-0241 | PO BOX 241 (From 241 To 360), HUGHESVILLE, MD |
| 20637-0361 | PO BOX 361 (From 361 To 478), HUGHESVILLE, MD |
| 20637-0481 | PO BOX 481 (From 481 To 600), HUGHESVILLE, MD |
| 20637-0601 | PO BOX 601 (From 601 To 660), HUGHESVILLE, MD |
| 20637-0661 | PO BOX 661 (From 661 To 720), HUGHESVILLE, MD |
| 20637-0721 | PO BOX 721 (From 721 To 790), HUGHESVILLE, MD |
| 20637-1937 | PO BOX 1937, HUGHESVILLE, MD |
| 20637-2000 | 14320 (From 14320 To 14339) WOODSTREAM PL, HUGHESVILLE, MD |
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Post Office in ZIP Code 20637
HUGHESVILLE is the only post office in ZIP Code 20637. You can find the address, phone number, and interactive map below. Click to view the service and service hours about HUGHESVILLE.
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HUGHESVILLE Post Office
Address 15485 PRINCE FREDERICK RD, HUGHESVILLE, MD, 20637-9998
Phone 301-274-3133
*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 20637 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 20637
ZIP Code 20637 Map
This is the online map of HUGHESVILLE, Charles 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 20637
Nearby ZIP Codes include 20617, 20622, 20608, 20612, and 20602. These ZIP Codes are located within approximately 25 kilometers of ZIP Code 20637. The listed distances are approximate and provided for reference only.
| ZIP Code | Distance (Kilo Meters) |
|---|---|
| 20617 | 6.763 |
| 20622 | 9.05 |
| 20608 | 9.182 |
| 20612 | 9.53 |
| 20602 | 12.052 |
| 20601 | 12.427 |
| 20659 | 13.542 |
| 20613 | 14.352 |
| 20610 | 14.777 |
| 20635 | 15.04 |
| 20678 | 16.702 |
| 20604 | 17.455 |
| 20611 | 17.579 |
| 20695 | 17.905 |
| 20660 | 18.268 |
| 20632 | 18.506 |
| 20639 | 18.954 |
| 20646 | 19.249 |
| 20603 | 20.226 |
| 20675 | 20.676 |
| 20656 | 21.124 |
| 20661 | 21.238 |
| 20676 | 21.296 |
| 20621 | 21.493 |
| 20624 | 21.723 |
| 20677 | 22.614 |
| 20689 | 23.356 |
| 20736 | 23.725 |
| 20615 | 24.087 |
| 20607 | 24.104 |
| 20685 | 24.288 |
| 20623 | 24.924 |
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