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Missouri has nine area codes: 314, 816, 417, 573, 660, 636, 557, 975 and 235.

Area codes in Missouri

Get a phone number with the right area code for Missouri.

314 is St. Louis, 636 is St. Charles and Chesterfield, 816 is Kansas City, 417 is Springfield and Joplin, 573 covers Columbia, Jefferson City and Cape Girardeau, and 660 covers Sedalia, Kirksville and Warrensburg.

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Missouri has nine area codes.

In the order they opened.

235

The newest area code in Missouri is 235.

235 entered service in 2024, laid over 573 in Columbia, Jefferson City and eastern Missouri. 975, from 2023, went over 816, and 557, from 2022, over 314.

Pick 314 for St. Louis, 816 for Kansas City, 417 for Springfield or 573 for Columbia.

Pick 314 for St. Louis, or 636 for St. Charles and Chesterfield.

314 is an original code of 1947. 636 was split from it in 1999 and covers St. Peters and Wentzville too.

Pick 816 if the number is for Kansas City, Independence or St. Joseph.

816 is an original code of 1947 and covers northwestern Missouri, and 660 was split from it in 1997.

Pick 417 for Springfield, Joplin or Branson.

417 opened in 1950 and reaches Nixa and Ozark as well.

People filed 568 FCC complaints about unwanted calls from Missouri area codes in 12 months.

From October 2025 to September 2026, 568 unwanted-call complaints filed with the FCC gave a caller ID number that started with one of the Missouri codes. 816 was named most, on 178 of them (31%).

  • 568unwanted-call complaints named a Missouri code
  • 816was named on the most of them, 178
  • 31%of the Missouri complaints named 816

Missouri codes

How many complaints named a caller ID that starts with each Missouri code.

  1. 1816Kansas City and northwestern Missouri178
  2. 2314St. Louis144
  3. 3573Columbia, Jefferson City and eastern Missouri80
  4. 4417Springfield and Joplin, Missouri67
  5. 5636St. Charles, O'Fallon and Chesterfield56
  6. 6660Sedalia, Kirksville and Warrensburg37
  7. 7235No page yet3
  8. 8557No page yet2
  9. 9975No page yet1

Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.

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  2. 2

    Type the code you picked.

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People ask these questions about Missouri area codes.

More in the full FAQ.

573, which covers Columbia, Jefferson City, Cape Girardeau, Rolla and Farmington. It was split from 314 in 1996.

660, which was split from 816 in 1997 and covers Sedalia, Warrensburg, Kirksville, Marshall and Moberly.

Missouri has nine area codes in service, by the numbering administrator's report of October 23, 2026: 314, 816, 417, 573, 660, 636, 557, 975 and 235. They are listed in the order they opened, from 1947 to 2024.

The newest area code in Missouri is 235, in service since 2024. 235 entered service in 2024, laid over 573 in Columbia, Jefferson City and eastern Missouri. 975, from 2023, went over 816, and 557, from 2022, over 314.

From October 2025 to September 2026, people filed 568 FCC complaints about unwanted calls from numbers that start with a Missouri code. The five named most were 816 (178), 314 (144), 573 (80), 417 (67) and 636 (56). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.

Yes. You type the area code you want when you create a number, and you do not need to live in Missouri. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.

No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.

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States next to Missouri

More area codes

Every fact on this page comes from public numbering records.

The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database (its report of October 23, 2026), and the complaints are the FCC's own.

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