ZIP Code: 21755 - JEFFERSON, MD
ZIP Code 21755 is assigned to JEFFERSON, MD. In addition to basic details, this page includes the full ZIP+4 Codes and address information for ZIP Code 21755. You can also find related data, such as nearby ZIP Codes and other relevant geographic details.
21755 ZIP+4 Code List
ZIP Code 21755 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 21755, along with their associated addresses. You can also find a 9-digit ZIP Code by entering a full address.
| ZIP+4 Code | Address |
|---|---|
| 21755-0001 | PO BOX 1 (From 1 To 9), JEFFERSON, MD |
| 21755-0010 | 10300 (From 10300 To 10398 Even) HUNTINEY RD, JEFFERSON, MD |
| 21755-0011 | PO BOX 11 (From 11 To 58), JEFFERSON, MD |
| 21755-0061 | PO BOX 61 (From 61 To 178), JEFFERSON, MD |
| 21755-0181 | PO BOX 181 (From 181 To 300), JEFFERSON, MD |
| 21755-0301 | PO BOX 301 (From 301 To 418), JEFFERSON, MD |
| 21755-0421 | PO BOX 421 (From 421 To 536), JEFFERSON, MD |
| 21755-0541 | PO BOX 541 (From 541 To 596), JEFFERSON, MD |
| 21755-0601 | PO BOX 601 (From 601 To 716), JEFFERSON, MD |
| 21755-7300 | 4000 (From 4000 To 4098 Even) CAMDEN DR, JEFFERSON, MD |
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Post Office in ZIP Code 21755
JEFFERSON is the only post office in ZIP Code 21755. You can find the address, phone number, and interactive map below. Click to view the service and service hours about JEFFERSON.
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JEFFERSON Post Office
Address 3702 JEFFERSON PIKE, JEFFERSON, MD, 21755-9998
Phone 301-473-8484
*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 21755 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 21755
ZIP Code 21755 Map
This is the online map of JEFFERSON, Frederick 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 21755
Nearby ZIP Codes include 20103, 20104, 21716, 21718, and 21758. These ZIP Codes are located within approximately 25 kilometers of ZIP Code 21755. The listed distances are approximate and provided for reference only.
| ZIP Code | Distance (Kilo Meters) |
|---|---|
| 20103 | 4.626 |
| 20104 | 4.626 |
| 21716 | 5.657 |
| 21718 | 7.103 |
| 21758 | 7.645 |
| 21715 | 8.194 |
| 21777 | 8.556 |
| 21714 | 9.664 |
| 21703 | 10.018 |
| 21769 | 10.154 |
| 20180 | 10.314 |
| 21779 | 10.354 |
| 21790 | 11.766 |
| 21717 | 11.906 |
| 21710 | 13.059 |
| 21756 | 15.725 |
| 21705 | 15.75 |
| 21709 | 15.75 |
| 25410 | 16.278 |
| 21704 | 17.046 |
| 20197 | 18.199 |
| 21702 | 19.164 |
| 25432 | 19.34 |
| 25423 | 19.745 |
| 21782 | 19.825 |
| 25425 | 20.715 |
| 20129 | 21.013 |
| 21773 | 21.32 |
| 20842 | 21.414 |
| 21713 | 21.439 |
| 20176 | 21.737 |
| 25442 | 22.178 |
| 20839 | 22.995 |
| 25443 | 23.041 |
| 20101 | 23.177 |
| 21754 | 23.252 |
| 20838 | 23.263 |
| 21701 | 23.881 |
| 20132 | 23.977 |
| 25438 | 24.303 |
| 20158 | 24.553 |
School in ZIP Code 21755
This is the ZIP Code 21755 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.
- ·School Name:Valley Elementary
- ·Address: 3519 Jefferson Pike
- ·City: Jefferson
- ·State: Maryland
- ·Grades: KG-5
- ·ZIP Code: 21755
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