Castine ZIP Code Finder by Area and Number Maine

The Castine zip code is 04421 in Maine helps people find the correct mailing location for homes, businesses, and services in Castine.

Welcome to our complete guide for Castine, Maine ZIP Codes. Whether you're moving to Castine, sending mail, searching for an address, or looking for local postal information, this page provides everything you need to know about the ZIP Codes serving Castine, Maine.

Every Castine ZIP Code is assigned by the United States Postal Service (USPS) to support efficient mail delivery and address identification. In addition to postal services, Castine ZIP Codes are widely used for online shopping, navigation, banking, insurance, healthcare, business operations, and government services.

City	Castine
Zip Code	04421
State	Maine
County	Hancock
Population	1,222
Latitude	44.4111
Longitude	-68.79524
Time Zone	America/New_York

The Castine Maine zip code is used by USPS for mail delivery, shipping, and address identification across Castine and nearby Maine cities.

Castine Maine is a growing city in Maine, and many people search for the Castine zip code, Castine postal code, Castine ME zip code, and Castine Maine mailing code when sending mail or locating addresses. The zip code in Castine is important for deliveries, online orders, location searches, and business listings in Castine.

If you are searching for the Castine zip code list, Castine ME postal code, Castine Maine city zip code, or Castine mailing zip code, this page helps you quickly find the correct Castine zip code. Many residents, travelers, and businesses use the Castine zip code lookup to confirm the correct Castine mailing address.

The Castine zip code area covers neighborhoods, residential communities, and business locations in Castine ME. Whether you are looking for the Castine city zip code, Castine Maine postal code, Castine ME mailing code, or Castine location zip code, the Castine zip code Maine helps identify the correct postal region in Maine.

People also search for zip codes near Castine, Castine postal codes, Castine ME zip code lookup, Castine address zip code, and Castine Maine USPS zip code to find nearby locations in Maine.

ZIP Codes in Castine

The following ZIP Codes serve Castine, Maine.

ZIP Code	County	Population	Time Zone
04421	Hancock	1,222	America/New_York

Whether you're searching for a residential, commercial, or mailing address, the ZIP Code list above makes it easy to find the correct postal code for Castine.

About Castine, Maine

Castine is located in Hancock County, Maine, and is served by one or more ZIP Codes assigned by USPS. Residents, businesses, and visitors rely on these ZIP Codes for mail delivery, package shipping, address verification, and location-based services.

Some cities have a single ZIP Code, while larger cities may have multiple ZIP Codes covering different neighborhoods or business districts.

If you're searching for a Castine ZIP Code, this page provides the latest available information to help you find the correct postal code quickly.

Castine ZIP Code Map

The Castine ZIP Code map helps visitors understand the geographic coverage of ZIP Code areas throughout the city.

The map can help you:

Locate neighborhoods
Find nearby ZIP Codes
Explore surrounding communities
Plan travel routes
Understand delivery areas

Find a ZIP Code in Castine

If you need to locate a ZIP Code within Castine, you can search using:

Street address
Neighborhood
Business name
Landmark
USPS mailing address

Using the correct Castine ZIP Code helps improve mail delivery, shipping accuracy, and address verification.

About Living in Castine

Castine, Maine is part of Hancock County and is home to approximately 1,222 residents. The city operates in the America/New_York time zone and is identified by the geographic coordinates 44.4111 latitude and -68.79524 longitude.

Residents enjoy access to local schools, businesses, public services, healthcare facilities, parks, and transportation networks. Whether you're relocating, visiting, or starting a business, knowing the correct ZIP Code helps simplify everyday tasks.

Common Uses of Castine ZIP Codes

ZIP Codes in Castine are commonly used for:

USPS mail delivery
Package shipping
Online shopping
Address verification
Banking
Insurance
Government services
Emergency services
Navigation
Real estate
Business operations
Delivery planning

Why Castine ZIP Codes Matter

Using the correct Castine ZIP Code offers several benefits.

For Residents

Faster mail delivery
Accurate online orders
Easier address verification
Better navigation

For Businesses

Shipping optimization
Customer management
Delivery planning
Local marketing

Frequently Asked Questions

Castine is served by one or more ZIP Codes listed on this page.

Castine is currently served by 1 ZIP Code. The number of ZIP Codes depends on the size of the city and USPS delivery routes.

Castine is located in Hancock County.

Castine is located in Maine.

The estimated population of Castine is 1,222.

Castine follows the America/New_York time zone.

Use your street address or browse the ZIP Code list available on this page.

No. Some ZIP Codes may include residential, commercial, government, or PO Box delivery areas.

Using the correct ZIP Code helps improve mail delivery, shipping accuracy, navigation, and address verification.

Official ZIP Code information is maintained by the United States Postal Service (USPS).

Conclusion

Whether you're looking for a mailing address, planning a move, or researching local information, this Castine, Maine ZIP Code guide makes it easy to find the postal information you need. Explore the ZIP Code list, use the map, and browse additional location details to learn more about Castine and its surrounding communities.