500 Technology Dr
Weldon Spring MO 63304
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Opening Hours

  • Mon: 9am-5pm
  • Tue: 9am-5pm
  • Wed: 9am-5pm
  • Thu: 9am-5pm
  • Fri: 9am-5pm
  • Sat: 9am-5pm
  • Sun: 9am-5pm

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MCI is a communications company that serves small- and large-sized enterprises. The company maintains locations in more than 60 countries. It is a part of calling and Internet services. MCI is a part of Verizon, which provides a range of wireless voice and data solutions. Incorporated in 1983, the parent company serves consumers, carriers, businesses and government customers in over 150 countries. It is a public company that maintains a staff of nearly 223,900 employees. Verizon also offers information technology and security products and services. The parent company provides calling cards and audio, video and Web conferencing products. In addition, it offers data and Internet protocol solutions.