Posting of MCA NPA NXX codes is a service of the Telecommunications Department Staff (Staff) of the Missouri Public Service Commission (MoPSC) and is provided only for the information and convenience of Website users.

The Staff makes every attempt to ensure that information on this site is accurate and up-to-date; however, the MoPSC makes no warranty, guarantee or promise, express or implied, concerning the information provided. Please direct technical questions to mschwart@mail.state.mo.us.

The documents contained on the Website are not considered official MoPSC documents. ALL DATA IS PROVIDED ON AN AS IS BASIS. Users should not use documents downloaded from this site as a substitute for official industry documents, such as the Local Exchange Routing Guide. Information about the North American Numbering Plan (NANP), and its administrator NeuStar Inc., is available at http://www.nanpa.com/. While the Staff will make every effort to avoid errors in and to maintain current documents, the MoPSC makes no guarantee or warranty concerning the accuracy, reliability, timeliness, or completeness of the information.

MCA NPA NXX DISCLAIMER

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