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ZIP codes in Boone County, Missouri

Boone County, Missouri has 18 ZIP codes in this list, from 65010 to 65299. They cover 9 places, among them Columbia, Ashland, Hartsburg and Centralia.

ZIP codePlaceLand area (sq mi)Map point
65010Ashland60.738.788, -92.254
65039Hartsburg59.238.716, -92.286
65201Columbia87.438.938, -92.305
65202Columbia14138.995, -92.311
65203Columbia74.738.935, -92.364
65205Columbiano area39.045, -92.350
65211Columbiano area38.952, -92.334
65212Columbiano area38.938, -92.330
65215Columbia0.038.953, -92.321
65216Columbia0.038.952, -92.334
65217Columbiano area38.952, -92.334
65218Columbiano area38.952, -92.334
65240Centralia18039.196, -92.147
65255Hallsville56.539.105, -92.224
65256Harrisburg55.539.120, -92.441
65279Rocheport52.138.976, -92.508
65284Sturgeon60.539.206, -92.295
65299Mid Missourino area38.903, -92.102

The ZIP code areas of Boone County add up to about 828 square miles of land (2,145 sq km) as the Census Bureau draws them. The largest is 65240 (Centralia), with 180 square miles.

Places with more than one code here: Columbia (10 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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