ZIP code · Callao · Missouri · United States
ZIP code 63534 — Callao
ZIP code 63534 serves Callao, Missouri.
- Postal code
- 63534Single source Value from one source, not cross-checked.
- City
- Callao
- County
- Macon FIPS 29121
- State
- Missouri
- Country
- United States
- Coordinates
- 39.7448, -92.6351 — precision precise (locality)
View on OpenStreetMap - Population
- 775 (ZCTA, ACS 5-year)
- Population density
- 10 / sq mi
- Land area
- 74.1 sq mi (191.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $48,611
- Per-capita income
- $25,803
- Median age
- 53.9
- Households
- 308
- Housing units
- 394
- Median home value
- $105,000
- Median gross rent
- $619 / 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
- 660Telephone 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 63534 with another ZIP · ZIPs within 25 miles · distance from 63534
Map of ZIP code 63534
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 19°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 41 | 53 | 64 | 74 | 83 | 88 | 86 | 79 | 67 | 52 | 40 |
| Avg low °F | 19 | 23 | 33 | 44 | 55 | 64 | 68 | 66 | 57 | 45 | 34 | 24 |
| Precip in | 1.6 | 2.1 | 2.9 | 4.3 | 5.4 | 5.5 | 4.3 | 3.8 | 3.9 | 3.5 | 2.7 | 2.0 |
NOAA 1991–2020 climate normals from the nearest station: LONG BRANCH RSVR (6.8 mi) · NOAA NCEI
Places in ZIP 63534
- 8 schools
- 1 parks
- 1 playgrounds
- 1 post offices
- 6 places of worship
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