Postal reference / United States

63365New Melle, Missouri

ZIP code 63365 is a United States postal code for New Melle, Missouri. Its county association is Saint Charles County. The map reference point is at 38.7163, -90.8751.

State / territory
Missouri
Recorded place name
New Melle
County association
Saint Charles
Estimated coordinate
38.7163, -90.8751
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ZIP prefix
633 · 51 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
0.329 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
63341DefianceMOSaint Charles4.5
63348ForistellMOSaint Charles4.5
63385WentzvilleMOSaint Charles6.0
63367Lake Saint LouisMOSaint Charles7.2
63368O FallonMOSaint Charles8.2
63332AugustaMOSaint Charles9.9
63342DutzowMOWarren10.0
63366O FallonMOSaint Charles10.3

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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