Slack Phone Numbers and Emails

Toll-Free Number:

  • (855) 980-5920

Customer Service:

  • (415) 805-8989

Slack Emails:

Customer Service
Investors/ Franchising
Privacy Inquiries

Slack Contact Information

Slack Website:

Slack Help Center:

Corporate Office Address:

Slack Technologies, LLC
500 Howard St.
San Francisco, California 94105
United States

Other Info (opening hours):

Other Location:

Slack Technologies Limited

Central Park (Block G)

3rd and 4th FL, No 1

Central Park, Leopardstown

Dublin 18, Ireland

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