Zip code 04420: Castine, Maine
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 04420
04420 is a non-residential zip code for Castine, Maine (Hancock County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 04420, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Castine
- State
- Maine
- County
- Hancock County
- Center point
- 44.4130° N, 68.7980° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 04420
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 04421 | Castine, ME | 0.9 mi | $113,750 |
| 04617 | Brooksville, ME | 4.8 mi | $52,078 |
| 04642 | Harborside, ME | 5.7 mi | $71,563 |
| 04476 | Penobscot, ME | 6.6 mi | $63,194 |
| 04972 | Sandy Point, ME · PO box | 7.1 mi | — |
| 04981 | Stockton Springs, ME | 7.3 mi | $77,560 |
| 04974 | Searsport, ME | 7.6 mi | $64,303 |
| 04650 | Little Deer Isle, ME | 9 mi | $110,063 |
| 04676 | Sedgwick, ME | 9.3 mi | $73,333 |
| 04848 | Islesboro, ME | 9.8 mi | $88,438 |
| 04673 | Sargentville, ME | 10 mi | $53,750 |
| 04915 | Belfast, ME | 12 mi | $66,362 |
Questions about 04420
What city is zip code 04420?
04420 is assigned to Castine, Maine. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 04420 in?
04420 is in Hancock County, Maine.
What time zone is 04420 in?
04420 is in Eastern Time.
What zip codes are near 04420?
The closest zip codes to 04420 are 04421, 04617, 04642, 04476, 04972.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 04420, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.