Person experiencing chest pain near Hesperian Boulevard in Hayward Heard on: Alameda County CA EMS Dispatch 00:07 00:00 2358, code 3, chest pain, (number withheld) Hesperian Boulevard, across from Cerrito Street. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 2358, code 3, chest pain, (number withheld) Hesperian Boulevard, across from Cerrito Street. 00:06 Dispatch 3. 2026-09-28 08:57 UTC Medical Emergency Hesperian Blvd, Hayward, CA 94541 View on map