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You can find ZIP codes by city or state using our search tool. Just enter the city or state name, and you'll see all related ZIP codes instantly.

What is a ZIP+4 code?

A ZIP+4 code adds four digits to the basic five-digit ZIP code. It helps the USPS deliver mail more precisely to specific addresses or buildings.

Are ZIP codes the same as postal codes?

ZIP codes are the U.S. version of postal codes, used by the USPS to identify delivery areas. Other countries use postal codes with different formats.

Complete ZIP Codes For Caroline, Maryland

Browse Caroline ZIP Codes

ZIP Codes in Caroline County help organize mail delivery and define local service areas. Each ZIP Code corresponds to a specific community or post office, ensuring residents, businesses, and visitors can find accurate address information quickly. By browsing the complete list of Caroline ZIP Codes, you can easily identify the correct code for mailing, business, or geographic purposes.

Denton

Post Office	Denton
Division	Caroline
Pincode	21629

Federalsburg

Post Office	Federalsburg
Division	Caroline
Pincode	21632

Greensboro

Post Office	Greensboro
Division	Caroline
Pincode	21639

Preston

Post Office	Preston
Division	Caroline
Pincode	21655

Ridgely

Post Office	Ridgely
Division	Caroline
Pincode	21660

Marydel

Post Office	Marydel
Division	Caroline
Pincode	21649

Total Post Offices (11) Page 1 of 2
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Cities in Caroline

11 cities in Caroline County | List of ZIP Codes in Maryland

ZIP codes in Caroline County, Maryland not only facilitate mail delivery but also provide important demographic and geographic insights. Each ZIP code corresponds to specific areas within the county, helping businesses, residents, and researchers understand population distribution, city locations, and service coverage across Caroline County.

Businesses and service providers rely on accurate ZIP code information in Caroline County to plan deliveries, target customers, and ensure timely services. By referencing the full list of ZIP codes, companies can optimize logistics and outreach, while residents can easily identify the correct postal codes for their addresses within Maryland.

Knowing the correct ZIP codes in Caroline County ensures fast and accurate mail delivery from the United States Postal Service (USPS). It also helps travelers, online shoppers, and local residents navigate efficiently across towns and communities in Caroline County, making ZIP codes an essential part of daily life and business operations.