MO Project: Contextual Branding

Mandatory 10-Digit Dialing

The Federal Communications Commission (FCC) has adopted an order approving the designation of "988" as the 3-digit abbreviated dialing code for the National Suicide Prevention Lifeline.

The change will impact all dialing, including cell phones.

Impact: Effective October 24, 2021, 10-digit dialing will become mandatory. 7-digit dials will NOT function.


Public Guidance

New Caller Practice Effective October 24:

  • Callers will dial area code + the telephone number to successfully complete all local calls across the State of Missouri.
  • Local calls dialed with only 7 digits will not function. User will get a recording informing them the call cannot be completed as dialed.
    • Callers using the "Centrex" or "Plexar" platforms, should dial 10 digit numbers when placing a call. For long distance calls, dial 1 + 10 digit.
  • Callers must change contacts, speed dials, and call forwarding to 10 digits. This includes cell phones.

Read helpful FAQs About 10-Digit Dialing developed by the Missouri Public Service Commission.

State Team Member Guidance

Overall Guidance:

Instructions for State UC Desk Phones:

Instructions for iPhone Users:

Instructions for Legacy Phones (Centrex/Plexar):