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/MONROE

Monroe ZIP code, Maine

The ZIP code for Monroe, ME is 04951, and its area code is 207.

USPS city name
1 ZIP code
Population
1,001
Area code
207
State
Maine

Monroe in numbers

About 1,001 people live in Monroe, in 422 households. The median household income is $81,300 a year, 9% above the Maine median of $74,733 (US: $80,734). The median owner-occupied home is valued at $220,300 (26% below the Maine median).

Population1,001Monroe1,001
Households422Monroe422
Median household income$81,300Monroe$81,300Maine$74,733US $80,734
Median home value$220,300Monroe$220,300Maine$296,600US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Monroe. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Monroe

ZIP codes with the USPS city name Monroe
ZIP City Type Population Median income Median home
04951 Monroe , ME Standard 1,001 $81,300 $220,300

Map of Monroe ZIP codes

The ZIP codes of Monroe, 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 Monroe

The nearest larger towns are Winterport (1,057 people, 10 mi), Searsport (1,218 people, 11 mi) and Belfast (6,986 people, 12 mi).

Towns near Monroe
TownPopulationDistance
Belfast 6,986 12.0 mi
Bucksport 3,105 12.8 mi
Hampden 5,161 14.9 mi
Pittsfield 3,084 19.2 mi
Brewer 9,652 20.5 mi
Bangor 31,938 20.8 mi
Orono 11,151 26.6 mi
Camden 3,682 26.6 mi
Winslow 5,873 27.2 mi
Ellsworth 8,657 28.5 mi
Old Town 7,470 29.2 mi
Waterville 17,077 29.9 mi

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

Cite this page

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

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