ZIP code · Fairfield · Maine · United States

ZIP code 04937 — Fairfield

ZIP code 04937 serves Fairfield, Maine.

Postal code
04937
Single source Value from one source, not cross-checked.
City
Fairfield
County
Somerset FIPS 23025
State
Maine
Country
United States
Coordinates
44.6463, -69.6802 — precision precise (locality)
View on OpenStreetMap
Population
6,411 (ZCTA, ACS 5-year)
Population density
123 / sq mi
Land area
51.9 sq mi (134.5 km²) (ZCTA, ACS 5-year)
Median household income
$62,633
Per-capita income
$31,374
Median age
43.3
Households
2,821
Housing units
3,041
Median home value
$149,700
Median gross rent
$943 / month
Congressional district
ME-2 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area code
207
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 80°F), coldest Jan (avg low 9°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F293240546675808072594635
Avg low °F91021324353595750382917
Precip in3.12.63.33.73.34.03.43.43.84.93.93.9

NOAA 1991–2020 climate normals from the nearest station: WATERVILLE TRTMT PLT (8.3 mi) · NOAA NCEI

Places in ZIP 04937

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page