ZIP code · Hattiesburg · Mississippi · United States

ZIP code 39403 — Hattiesburg

ZIP code 39403 serves Hattiesburg, Mississippi.

Postal code: 39403
Single source Value from one source, not cross-checked.
City: Hattiesburg
County: Forrest
State: Mississippi
Country: United States
Coordinates: 31.3566, -89.3824 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 8b (15 to 20 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone: America/Chicago (UTC−6 / UTC−5 DST)
Area codes: 601, 769
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.

Tools: compare 39403 with another ZIP · ZIPs within 25 miles · distance from 39403

Climate — monthly normals

Warmest month Aug (avg high 91°F), coldest Jan (avg low 38°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	60	64	71	78	84	90	91	91	88	79	69	62
Avg low °F	38	41	48	54	62	70	72	72	67	56	46	40
Precip in	6.5	5.7	5.9	5.7	4.5	5.3	6.4	6.3	4.8	3.5	3.9	6.0

NOAA 1991–2020 climate normals from the nearest station: HATTIESBURG 5SW (7.5 mi) · NOAA NCEI

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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page