Portable Extinguishers Inspection Fire Extinguisher / Expired or Expiring Tags / Please inspect Fire Extinguishers. Due 1/31/19 IVR Process: Please call Service Channel at 516-500-7776 from the Center phone or use the mobile Service Channel GPS app. Use Pin # 1388022 and the PO #1559744 on Work Order to Check In and Out. Call 833-675-4305 before leaving Center if any deficiencies are found.