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/GUILFORD

Guilford ZIP code, Maine

The ZIP code for Guilford, ME is 04443, and its area code is 207.

USPS city name
1 ZIP code
Population
626
Area code
207
State
Maine

Guilford in numbers

About 626 people live in Guilford, in 334 households. The median household income is $45,735 a year, 39% below the Maine median of $74,733 (US: $80,734). The median owner-occupied home is valued at $151,100 (49% below the Maine median), and median gross rent is $529 a month. The median age is 54.3; 12.3% of adults 25 and over hold a bachelor's degree or higher (36.2% across Maine); the average commute takes 19 minutes.

Population626Guilford626
Households334Guilford334
Median age54.3Guilford54.3Maine44.8US 38.9
Median household income$45,735Guilford$45,735Maine$74,733US $80,734
Median home value$151,100Guilford$151,100Maine$296,600US $332,700
Median gross rent$529Guilford$529Maine$1,139US $1,413
Bachelor's degree or higher12.3%Guilford12.3%Maine36.2%US 35.7%
Mean commute19.3 minGuilford19.3 minMaine24.6 minUS 26.4 min
Population density326 / sq miGuilford326 / sq mi

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

ZIP codes addressed as Guilford

ZIP codes with the USPS city name Guilford
ZIP City Type Population Median income Median home
04443 Guilford , ME Standard 2,211 $53,990 $166,700

Map of Guilford ZIP codes

04443

The ZIP codes of Guilford, 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 Guilford

The nearest larger towns are Dover-Foxcroft (2,745 people, 8.6 mi), Dexter (1,852 people, 12 mi) and Corinna (711 people, 19 mi).

Towns near Guilford
TownPopulationDistance
Dover-Foxcroft 2,745 8.6 mi
Pittsfield 3,084 28.7 mi

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

Cite this page

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

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