636 Area Code — St. Louis, MO

Area code 636 serves St. Louis, MO.

Most looked-up 636 numbers

• 636-228-8689
• 636-949-6990
• 636-208-7667
• 636-685-7796
• 636-430-9655
• 636-246-6586
• 636-367-4314
• 636-376-4314
• 636-793-1213
• 636-342-9277
• 636-342-9179
• 636-594-1152

Phone prefixes in 636

• 636-041
• 636-949
• 636-208
• 636-685
• 636-430
• 636-246
• 636-228
• 636-367
• 636-376
• 636-793
• 636-342
• 636-594
• 636-614
• 636-604

Carriers serving 636

• At&t (2 numbers)
• Xo Missouri, Inc. (2 numbers)
• Bandwidth (1 numbers)
• Telnyx, LLC (1 numbers)
• Teleport Communications Group (1 numbers)
• Onvoy Spectrum, LLC (1 numbers)
• Verizon (1 numbers)

Frequently asked questions

Where is area code 636?

Area code 636 serves St. Louis, MO.

What prefixes are in area code 636?

Phone2.io tracks 14 phone prefixes in area code 636, with carrier and spam-report data on individual numbers.

More about area code 636

Area code 636 overview, history, and local numbers · Get a MO phone number

Last updated: March 11, 2026