Home › Missouri › Old Jamestown
Old Jamestown, MO Area Code
Old Jamestown, Missouri (population 21,121) uses area code 636.
Old Jamestown has no telephone exchange of its own in NANPA records; it is served by the Portage Des Sioux exchange about 11.6 km away.
Carriers with Old Jamestown numbers
7 prefixes are assigned to the Portage Des Sioux exchange: 14% mobile, 14% VoIP and cable, 71% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Southwestern Bell) | 3 |
| Onvoy (Sinch) | 1 |
| Paetec Itel | 1 |
| T-Mobile | 1 |
| Terra Nova Telecom | 1 |
Area codes used in Old Jamestown
| Area code | Prefixes serving Old Jamestown | Main carriers in this code |
|---|---|---|
| 636 | 7 | AT&T (Southwestern Bell), Brightspeed Of Missouri, Onvoy (Sinch) |
Old Jamestown phone number prefixes
Numbers starting with these first six digits were originally assigned to the Portage Des Sioux exchange.
636-400Onvoy (Sinch)636-425Paetec Itel636-426T-Mobile636-434AT&T (Southwestern Bell)636-648Terra Nova Telecom636-753AT&T (Southwestern Bell)636-899AT&T (Southwestern Bell)
Nearby cities in area code 636
- O'Fallon
- St. Charles
- St. Peters
- Florissant
- Wentzville
- Chesterfield
- Wildwood
- Ballwin
- Hazelwood
- Warrensburg
- Lake St. Louis
- Manchester
Questions
- What is the area code for Old Jamestown, MO?
- The area code for Old Jamestown, Missouri is 636.
- What time zone is Old Jamestown in?
- Old Jamestown is in the Central time zone.