Communicating with BHA The best way to communicate with BHA staff is via email or telephone. Please click here for our staff names, emails and phone numbers. The general number is 510-981-5470. BHA fax number is 510-981-5480. In this section About BHA About BHA Contact Communicating with BHA Document Drop Box Dates and Calendars FAQs Policies and Plans Human Resources MOUs News Test BHA News Item 3 Test BHA News Item 2 More News