Town Hall Address 675 Corliss Ave. Phillipsburg, NJ 08865 United States- Warren County Website http://www.phillipsburgnj.org County Clerk 908-454-5500 Ext. 309 675 Corliss Ave. Phillipsburg, NJ 08865 United States Assessor 908-454-5500 Ext. 306 675 Corliss Ave. Phillipsburg, NJ 08865 United States Tax Collector 908-454-5500 Ext. 307 675 Corliss Ave. Phillipsburg, NJ 08865 United States Attorney 908-454-5500 675 Corliss Ave. Phillipsburg, NJ 08865 United States Mayor 908-454-5500 Ext. 302 675 Corliss Ave. Phillipsburg, NJ 08865 United States Municipal Court 908-454-3211 1001 East Blvd. Alpha, NJ 08865 United States County Warren