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ZIP Code 5: 21918 - CONOWINGO, MD
ZIP Code 21918 is the postal code in CONOWINGO, MD. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 21918. Whatsmore, there is more information related to ZIP Code 21918. For example, nearby ZIP code around ZIP Code 21918, etc.
ZIP 21918 Basic Information
The basic information of ZIP Code 21918 is as follows, including: country, county, city, FIPS and etc.
State County City ZIP Code 5 MD - Maryland Cecil County CONOWINGO 21918 What is the plus 4 zip code for 21918 ZIP Code? Below is the detail.
21918 ZIP+4 Code List
What are the 4 digit zip extensions of ZIP Code 21918? ZIP code 21918 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 21918. You can find a 9-digit ZIP Code by a full address.
ZIP Code 5 Plus 4 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 - Page 1
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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 21918
ZIP 21918 Online Map
This is online map of the address CONOWINGO, Cecil County, Maryland. You may use button to move and zoom in / out. The map information is for reference only.
ZIP 21918 NearBy ZIP Code
The Nearby ZIP Codes are 21034, 21917, 17563, 21904, and 21911, you can find ZIP codes in a 25km radius around ZIP Code 21918 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.ZIP Code 5: 21918 - CONOWINGOSchool 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