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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

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The basic information of ZIP Code 21918 is as follows, including: country, county, city, FIPS and etc.

StateCountyCityZIP Code 5
MD - MarylandCecil CountyCONOWINGO21918

What is the plus 4 zip code for 21918 ZIP Code? Below is the detail.

21918 ZIP+4 Code List

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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
21918-1141 244 (From 244 To 298 Even) RED HILL RD, CONOWINGO, MD
21918-1142 2 (From 2 To 98 Even) OAKWOOD HOTEL LN, CONOWINGO, MD
21918-1143 191 (From 191 To 199 Odd) RED HILL RD, CONOWINGO, MD
21918-1143 101 (From 101 To 189 Odd) RED HILL RD, CONOWINGO, MD
21918-1144 68 (From 68 To 78 Even) RED HILL RD, CONOWINGO, MD
21918-1144 92 (From 92 To 96 Even) RED HILL RD, CONOWINGO, MD
21918-1144 100 (From 100 To 102 Even) RED HILL RD, CONOWINGO, MD
21918-1144 106 (From 106 To 108 Even) RED HILL RD, CONOWINGO, MD
21918-1144 112 (From 112 To 118 Even) RED HILL RD, CONOWINGO, MD
21918-1144 130 (From 130 To 148 Even) RED HILL RD, CONOWINGO, MD

If you can't find the 21918 plus 4 zip code you need on this page, we recommend you to use the the feature of Quick Select.

Post Office in ZIP Code 21918

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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.

  • CONOWINGO Post Office more-info

    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.

    ZIP Code: 21918

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.

    ZIP Code: 21918

Random Address in ZIP 21918

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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

ZIP 21918 Online Map

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

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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 CodeDistance (Kilo Meters)
210345.128
219176.059
1756310.189
2190410.26
2191110.552
2116012.757
1936213.287
2102813.705
2107813.773
2190316.043
1731416.543
2190216.73
1751816.916
2115418.105
2101518.111
2191420.087
2100120.282
1936320.594
1756620.666
1753620.907
2113221.283
2105022.066
2101422.148
2190122.193
1753222.969
2101723.41
2113023.852
2100925
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School in ZIP Code 21918

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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
ZIP Code 5: 21918 - CONOWINGO

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