Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/ME/NEWCASTLE

Newcastle ZIP code, Maine

The ZIP code for Newcastle, ME is 04553, and its area code is 207.

USPS city name
1 ZIP code
Population
664
Area code
207
State
Maine

NANPA lists no telephone rate centre for Newcastle itself, so these are the area codes of the nearest one, Damariscotta (4.3 miles). A town on an area-code boundary can differ from its neighbour.

Newcastle in numbers

About 664 people live in Newcastle, in 292 households. The median household income is $80,833 a year, 8% above the Maine median of $74,733 (US: $80,734). The median owner-occupied home is valued at $420,500 (42% above the Maine median), and median gross rent is $1,219 a month. The median age is 54.8; 40.3% of adults 25 and over hold a bachelor's degree or higher (36.2% across Maine); the average commute takes 12 minutes.

Population664Newcastle664
Households292Newcastle292
Median age54.8Newcastle54.8Maine44.8US 38.9
Median household income$80,833Newcastle$80,833Maine$74,733US $80,734
Median home value$420,500Newcastle$420,500Maine$296,600US $332,700
Median gross rent$1,219Newcastle$1,219Maine$1,139US $1,413
Bachelor's degree or higher40.3%Newcastle40.3%Maine36.2%US 35.7%
Mean commute11.8 minNewcastle11.8 minMaine24.6 minUS 26.4 min
Population density306 / sq miNewcastle306 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Newcastle CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Newcastle

ZIP codes with the USPS city name Newcastle
ZIP City Type Population Median income Median home
04553 Newcastle , ME Standard 1,913 $89,868 $398,000

Map of Newcastle ZIP codes

04553

The ZIP codes of Newcastle, ME, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Newcastle

The nearest larger towns are Damariscotta (1,100 people, 2.3 mi), Wiscasset (898 people, 7.7 mi) and Waldoboro (1,459 people, 8.3 mi).

Towns near Newcastle
TownPopulationDistance
Gardiner 6,088 16.4 mi
Bath 8,815 17.5 mi
Rockland 7,035 20.7 mi
Topsham 7,271 21.0 mi
Hallowell 2,592 21.7 mi
Augusta 19,077 22.1 mi
Brunswick 17,652 23.2 mi
Camden 3,682 25.7 mi
Lisbon Falls 4,267 26.2 mi
Winthrop 3,108 28.1 mi
Lisbon 3,612 28.6 mi

More nearby: every ZIP code in Lincoln County · Maine ZIP codes

Cite this page

zipcodes.pro. “Newcastle, ME ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/me/newcastle

Underlying data is public domain or openly licensed — sources, vintages and licences.