Avista Utilities Phone Numbers and Emails

Toll-Free Number:

  • (800) 227-9187
    Residential customers

Business Customer Service:

  • (800) 936-6629
    Business customers

Investors/ Franchasing:

  • (800) 222-4931


  • (509) 495-4174

Avista Utilities Email:

General Info

Avista Utilities Contact Information

Avista Utilities Website:

Avista Utilities Help Center:

Corporate Office Address:

Avista Corporation
1411 E. Mission Ave.
Spokane, Washington ‍99252-0001
United States

Other Info (opening hours):


Monday - Friday: 7:00 am - 7:00 pm

Saturday: 9:00 am - 5:00 pm

Privacy Inquiries

MSC-18, PO Box 3727,

Spokane, WA 99220-3727

Edit Business Info
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