Webpublished 9:16 am et jul. Pinellas county — deputies with the pinellas county sheriff's office are now using a new system that changes the way they respond. Webpinellas county leaders are sounding the alarm over a big problem: — the next time you call 911 in pinellas county, you may not see both a fire truck and ambulance responding to the call. Web[ chris urso | times ] this monday in august, swetson and her coworkers in pinellas county’s 911 regional communications center will field 2,837.