# Key Cannabis Dispensary O'Fallon

> Adult-use dispensary in St Charles, Missouri, United States.

Source page: https://420.camp/es/weed/united-states/missouri/st-charles/key-cannabis-dispensary-o-fallon-monticello  
Data last changed 2026-10-18.  
Published by 420.camp — quote with attribution and a link (https://420.camp/license). A listing is not proof of a licence.

## Facts

- **Type:** Adult-use dispensary
- **Location:** St Charles, Missouri, United States
- **Address:** 6700 State Rte N, St Charles, MO 63304, USA
- **Phone:** +1 636-720-9830
- **Website:** https://keycannabis.com/shop/ofallon-mo/?utm_source=terrayn_gbp&utm_medium=organic&utm_campaign=ofallon
- **Email:** customercare@keycannabis.com
- **Minimum age:** 21
- **ID required:** yes
- **Google rating:** 4.6 from 598 reviews
- **Verification:** details confirmed against sources
- **Products:** flower, pre rolls, edibles, concentrates, vapes, oils tinctures, topicals, accessories
- **Amenities:** card payment, atm, pickup, online ordering, loyalty program
- **Photos:** 1

## Opening hours

- Monday–Wednesday 08:00–21:45
- Thursday–Saturday 08:00–01:45
- Sunday 08:00–21:45

## About Key Cannabis Dispensary O'Fallon

Key Cannabis es un dispensario de cannabis para uso adulto en 6700 State Rte N, St. Charles, Missouri. Su gama de productos incluye flores, porros prearmados, comestibles, concentrados, vaporizadores, tinturas, productos tópicos y accesorios para cannabis.

## The law in St Charles

Cannabis rules for St Charles, Missouri, United States, as facts with sources: https://420.camp/es/weed/united-states/missouri/st-charles.md