- (360) 426-8547 to the Johns Prairie Operations Center (Administration Offices).
- (360) 432-3376 to Business Operations
- (360) 426-3369 to the Conservation Department
- (360) 427-2828 to the Customer Service Offices
- (360) 426-3612 to the Engineering & Telecom Offices
- (360) 432-5696 to the Human Resources Office (Benefits Information)
- (360) 432-1525 to the Human Resources Office (General Information)
- (360) 539-1152 to the Purchasing Department
