| Business | Phone |
| North Plainfield Adm 263 Somerset St, North Plainfield 7060 | (908) 769-2951 |
| North Plainfield Borough Clerk 263 Somerset St, North Plainfield 7060 | (908) 769-2900 |
| North Plainfield Health Office 263 Somerset St, North Plainfield 7060 | (908) 769-2907 |
| North Plainfield Senior Ctzn 629 Rockview Ave, North Plainfield 7063 | (908) 753-0707 |