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News and Information

Holiday Calendar

Contains the schedule of Highmark's corporate holidays. Although Highmark's offices and customer support areas will be closed on corporate holidays, trading partners will still be able to transmit and receive electronic transactions.

Latest News

Planned System Outages (Updated 1/7/22)

Information on Highmark's scheduled system outages that may impact your electronic transactions.

Non-Routine Downtime

Check here for information regarding any non-routine downtime.