National Phone Number Registry NPNR

Area Codes in Missouri

The complete list of all valid area codes in Missouri.

Enter the complete 10-digit phone number
Area Code State Country
314 MO - Missouri US
417 MO - Missouri US
573 MO - Missouri US
636 MO - Missouri US
660 MO - Missouri US
816 MO - Missouri US

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Some useful links:
National Do Not Call Registry FTC - Cell Phones and the Do Not Call Registry FCC - Do Not Call List FTC Complaint Assistant 1.3.4