Contact Us FOR AN AMBULANCE: DIAL 911 If you are interested in joining the Squad click here. If you like you can email us West Essex First Aid Squad 642 Bloomfield Ave West Caldwell, NJ 07006 Non-Emergency (Business) Phone: (973) 403-8568 Mailing Address: West Essex First Aid Squad, Inc. PO Box 662 West Caldwell, NJ 07007-0662