636 Area Code Information
State: MO
Largest City in Area: SAINT LOUIS
Where is Area Code 636? Area code (636) is in the state of MO. The PeopleSearchNow database has 2,205,830 records on file with a phone number in the area code of (636). Below, are the major cities in the area code (636).
Major Cities in 636
- SAINT LOUIS, MO (739,536)
- SAINT CHARLES, MO (542,369)
- SAINT PETERS, MO (409,872)
- O FALLON, MO (357,347)
- BALLWIN, MO (311,701)
- CHESTERFIELD, MO (201,414)
- FENTON, MO (190,684)
- ARNOLD, MO (158,329)
- WENTZVILLE, MO (139,434)
- FLORISSANT, MO (118,554)
Zip Codes in 636
- 63010
- 63011
- 63017
- 63020
- 63021
- 63026
- 63028
- 63049
- 63052
- 63090
- 63129
- 63301
- 63303
- 63304
- 63366
- 63367
- 63368
- 63376
- 63379
- 63385