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Zip Code 63388 — Williamsburg, MO

ZIP Code 63388 is associated with Williamsburg, MO, in Callaway County. The listed population estimate is 685; estimated density is 4.4 people per square mile. Among records with population estimates, it ranks #8 of 10 in Callaway County and #709 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.888160, -91.749950)

Data MetricLocal Statistic
Postal / Zip Code63388
Primary CityWilliamsburg
State / ProvinceMO
CountyCallaway
Total Population685
Population Density4.4 people/sq mi
TimezoneAmerica/Chicago

How 63388 Compares

MetricZIP 63388Callaway County recordsMO records
Population estimate68543,913 (sum)6,191,989 (sum)
Population Density4.4 /sq mi----
County population rank#8 of 10----
State population rank#709 of 1,021----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MO

ZIP CodeCityDistancePopulation estimate
ZIP 65077Steedman8.7 mi437
ZIP 65067Portland9.4 mi299
ZIP 63361Montgomery City11.3 mi4,460
ZIP 65262Kingdom City11.8 mi729
ZIP 65069Rhineland12.3 mi511

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →