Lees Summit Missouri ZIP Codes

Lees Summit holds 7 ZIP codes, all inside one county and one postal prefix.

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Lees Summit codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Lees Summit. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

Every Lees Summit ZIP code begins 640. Those first three digits identify the sectional center facility that processes mail for this part of Missouri. Statewide that range covers 68 ZIP codes, so Lees Summit accounts for 10% of it.

Every Missouri ZIP prefix and the region it covers →

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Lees Summit occupies.

• 816 Area code 816
• 975 Area code 975

Lees Summit Missouri area codes in full →

Straight-line distance between place reference points, not driving distance.