ZIP Code 18421 – Forest City, Pennsylvania | ZipsCode.us
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ZIP Code 18421
Forest City, Pennsylvania · Susquehanna
ZIP code 18421 belongs to the city of Forest City in Pennsylvania (Susquehanna). See all Pennsylvania ZIP Codes.
ZIP code 18421 belongs to Forest City, Pennsylvania, in Susquehanna. If you are mailing a letter or package to this area, use Forest City, PA 18421 in the address. On this page you will find the city and county for 18421, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 18421?
The city for ZIP code 18421 is Forest City, Pennsylvania. When you write an address in this area, the correct format is: Name, Street Address, Forest City, PA 18421.
ZIP Code 18421 County and State
ZIP code 18421 is located in Susquehanna, Pennsylvania. For a complete list of cities and ZIP codes across the state, see the Pennsylvania ZIP Codes page.
Nearby ZIP Codes in Susquehanna
These ZIP codes are in the same county as 18421:
ZIP Code 18421 on the Map
The map below shows the approximate center of ZIP code 18421, near Forest City, Pennsylvania. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 41.6515, -75.4666). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 18421
According to public U.S. Census Bureau data, ZIP code 18421 is home to a community in Pennsylvania. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 18421
Need the full ZIP+4 code for a specific street address in Forest City? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 18421?
ZIP code 18421 is for Forest City, Pennsylvania.
What county is ZIP code 18421 in?
ZIP code 18421 is in Susquehanna, Pennsylvania.
What state is ZIP code 18421 in?
ZIP code 18421 is in Pennsylvania (PA).
How do I find the ZIP+4 for an address in 18421?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 18421?
Nearby ZIP codes include 18413 (Clifford), 18430 (Herrick Center), 18441 (Lenoxville), 18465 (Thompson), 18470 (Union Dale).
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