ZIP Code: 21918 - CONOWINGO, MD
ZIP Code 21918 is assigned to CONOWINGO, MD. In addition to basic details, this page includes the full ZIP+4 Codes and address information for ZIP Code 21918. You can also find related data, such as nearby ZIP Codes and other relevant geographic details.
21918 ZIP+4 Code List
ZIP Code 21918 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 21918, along with their associated addresses. You can also find a 9-digit ZIP Code by entering a full address.
| ZIP+4 Code | Address |
|---|---|
| 21918-0001 | PO BOX 1 (From 1 To 58), CONOWINGO, MD |
| 21918-0061 | PO BOX 61 (From 61 To 118), CONOWINGO, MD |
| 21918-0121 | PO BOX 121 (From 121 To 178), CONOWINGO, MD |
| 21918-0181 | PO BOX 181 (From 181 To 238), CONOWINGO, MD |
| 21918-0241 | PO BOX 241 (From 241 To 298), CONOWINGO, MD |
| 21918-0301 | PO BOX 301 (From 301 To 358), CONOWINGO, MD |
| 21918-0361 | PO BOX 361 (From 361 To 418), CONOWINGO, MD |
| 21918-0421 | PO BOX 421 (From 421 To 480), CONOWINGO, MD |
| 21918-1000 | 100 (From 100 To 198 Even) BALD FRIAR RD, CONOWINGO, MD |
| 21918-1001 | 2 (From 2 To 98 Even) SHADOW BROOK RD, CONOWINGO, MD |
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Post Office in ZIP Code 21918
CONOWINGO is the only post office in ZIP Code 21918. You can find the address, phone number, and interactive map below. Click to view the service and service hours about CONOWINGO.
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CONOWINGO Post Office
Address 305 CONOWINGO RD, CONOWINGO, MD, 21918-9998
Phone 410-378-2828
*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 21918 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 21918
ZIP Code 21918 has 566 real random addresses, you can clicking the picture below to get random addresses in ZIP Code 21918.
ZIP Code 21918 Map
This is the online map of CONOWINGO, Cecil 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 21918
Nearby ZIP Codes include 21034, 21917, 17563, 21904, and 21911. These ZIP Codes are located within approximately 25 kilometers of ZIP Code 21918. The listed distances are approximate and provided for reference only.
| ZIP Code | Distance (Kilo Meters) |
|---|---|
| 21034 | 5.128 |
| 21917 | 6.059 |
| 17563 | 10.189 |
| 21904 | 10.26 |
| 21911 | 10.552 |
| 21160 | 12.757 |
| 19362 | 13.287 |
| 21028 | 13.705 |
| 21078 | 13.773 |
| 21903 | 16.043 |
| 17314 | 16.543 |
| 21902 | 16.73 |
| 17518 | 16.916 |
| 21154 | 18.105 |
| 21015 | 18.111 |
| 21914 | 20.087 |
| 21001 | 20.282 |
| 19363 | 20.594 |
| 17566 | 20.666 |
| 17536 | 20.907 |
| 21132 | 21.283 |
| 21050 | 22.066 |
| 21014 | 22.148 |
| 21901 | 22.193 |
| 17532 | 22.969 |
| 21017 | 23.41 |
| 21130 | 23.852 |
| 21009 | 25 |
School in ZIP Code 21918
This is the ZIP Code 21918 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.
- ·School Name:Conowingo Elementary
- ·Address: 471 Rowlandsville Rd
- ·City: Conowingo
- ·State: Maryland
- ·Grades: PK-5
- ·ZIP Code: 21918
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