ZIP code · Hannibal · Missouri · United States
ZIP code 63401 — Hannibal
ZIP code 63401 serves Hannibal, Missouri.
- Postal code
- 63401Single source Value from one source, not cross-checked.
- City
- Hannibal
- County
- Marion FIPS 29127
- State
- Missouri
- Country
- United States
- Coordinates
- 39.7064, -91.3839 — precision precise (locality)
View on OpenStreetMap - Population
- 21,125 (ZCTA, ACS 5-year)
- Population density
- 190 / sq mi
- Land area
- 110.9 sq mi (287.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $60,483
- Per-capita income
- $30,881
- Median age
- 40
- Households
- 8,361
- Housing units
- 9,700
- Median home value
- $144,400
- Median gross rent
- $824 / month
- Congressional district
- MO-6 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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 code
- 573Telephone 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 63401 with another ZIP · ZIPs within 25 miles · distance from 63401
Map of ZIP code 63401
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 40 | 51 | 64 | 73 | 82 | 86 | 84 | 78 | 66 | 52 | 39 |
| Avg low °F | 18 | 22 | 32 | 43 | 54 | 64 | 67 | 65 | 57 | 45 | 34 | 23 |
| Precip in | 2.1 | 2.3 | 2.8 | 4.3 | 5.0 | 4.9 | 4.1 | 3.9 | 3.5 | 3.4 | 2.8 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: HANNIBAL WTR WKS (1.2 mi) · NOAA NCEI
Places in ZIP 63401
- 12 schools
- 2 colleges & universities
- 5 hospitals & clinics
- 1 doctors & dentists
- 4 pharmacies
- 4 supermarkets
- 41 restaurants & cafés
- 3 bars & pubs
- 25 parks
- 3 playgrounds
- 3 gyms & sports centres
- 1 libraries
- 1 post offices
- 40 places of worship
- 7 banks
- 12 gas stations
- 2 EV charging stations
- 4 police & fire stations
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