St. Charles, MO Area Code
St. Charles, Missouri (population 72,561) uses area code 636.
Carriers with St. Charles numbers
44 prefixes are assigned to the St. Charles exchange: 20% mobile, 41% VoIP and cable, 39% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Southwestern Bell) | 11 |
| Onvoy (Sinch) | 5 |
| Verizon Business (MCImetro) | 5 |
| T-Mobile | 4 |
| AT&T Mobility | 4 |
| Lumen (Level 3) | 4 |
| At&T Enterprises | 2 |
| Charter Ip Enabled Services | 2 |
Area codes used in St. Charles
| Area code | Prefixes serving St. Charles | Main carriers in this code |
|---|---|---|
| 636 | 44 | AT&T (Southwestern Bell), Brightspeed Of Missouri, Onvoy (Sinch) |
St. Charles phone number prefixes
Numbers starting with these first six digits were originally assigned to the St. Charles exchange.
636-206At&T Enterprises636-219T-Mobile636-233Verizon Wireless636-246Onvoy (Sinch)636-255AT&T (Southwestern Bell)636-260Onvoy (Sinch)636-277Peerless Network636-288AT&T Mobility636-301Shelcomm636-328Verizon Business (MCImetro)636-352Lumen (Level 3)636-373T-Mobile636-389Lumen (Level 3)636-395At&T Enterprises636-410Verizon Business (MCImetro)636-443AT&T (Southwestern Bell)636-448AT&T Mobility636-487Lumen (Level 3)636-493Charter Ip Enabled Services636-541AT&T Mobility636-573Verizon Business (MCImetro)636-574American Messaging Services636-578T-Mobile636-627Charter Ip Enabled Services636-634Lumen (Level 3)636-669Paetec Itel636-688AT&T (Teleport)636-699Onvoy (Sinch)636-723AT&T (Southwestern Bell)636-724AT&T (Southwestern Bell)636-734T-Mobile636-754Verizon Business (MCImetro)636-757Paetec Itel636-773Onvoy (Sinch)636-795AT&T Mobility636-800Onvoy (Sinch)636-866Verizon Business (MCImetro)636-896AT&T (Southwestern Bell)636-916AT&T (Southwestern Bell)636-925AT&T (Southwestern Bell)636-940AT&T (Southwestern Bell)636-946AT&T (Southwestern Bell)636-947AT&T (Southwestern Bell)636-949AT&T (Southwestern Bell)
Nearby cities in area code 636
- O'Fallon
- St. Peters
- Florissant
- Wentzville
- Chesterfield
- Wildwood
- Ballwin
- Hazelwood
- Old Jamestown
- Warrensburg
- Lake St. Louis
- Manchester
Questions
- What is the area code for St. Charles, MO?
- The area code for St. Charles, Missouri is 636.
- What time zone is St. Charles in?
- St. Charles is in the Central time zone.