Transition to 10-digit dialing for 988

Service Providers operating in the NPAs required to transition to 10-digit dialing for 988 National Suicide Prevention Lifeline

Information below pertains to the FCC Order 20-100, which designated 988 as the 3-digit abbreviated dialing code to access the National Suicide Prevention Lifeline, and the requirement to transition to 10-digit dialing in the 82 area codes that currently permit 7-digit dialing and also use 988 as a Central Office code. The affected states and area codes, implementation schedule, standard dialing plan, and milestones of the project can be located at, under Publications/Planning Letters - Planning Letter 556.

Frequently Asked Questions (updated 01/08/2021)


Sample Customer Education Letters


Tracking progress of transition

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