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The Missouri Public Service Commission regulates investor-owned electric, steam, natural gas, water and sewer and telephone companies. Its mission is to ensure Missouri consumers have access to safe, reliable and reasonably priced utility service while allowing those utility companies under our jurisdiction an opportunity to earn a reasonable return on their investment. The PSC also regulates manufacturers and retail dealers who sell new and used manufactured homes and modular units. The commission was established in 1913. The PSC is comprised of five commissioners, who are appointed by the governor.

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VoIP Registration

VoIP service refers to Interconnected Voice over Internet Protocol service as defined in Section 386.020(23) RSMo. House Bill 1779 became effective on August 28, 2008 and Section 392.550 RSMo of this legislation authorizes the Missouri Commission to grant registrations to provide interconnected voice over Internet protocol service. According to this statute the Commission shall grant a registration no later than thirty days following the filing of an application for such registration. Listed below is information about this process.

How Do I File a VoIP Registration Application?

How Do I Add Additional Areas to my VoIP Authorization?

How Do I Remove Areas or Make a Correction to my VoIP Application?


Public Information Office
Governor Office Building
200 Madison Street
PO Box 360
Jefferson City, MO 65102-0360

PSC Main Line: 1.573.751.3234

Utility Consumer Hotline: 1.800.392.4211

Manufactured Housing Hotline: 1.800.819.3180


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