| Business | Phone |
| East Hanover Twp Finance Dept 411 Ridgedale Ave, East Hanover 7936 | (973) 428-3004 |
| East Hanover Twp Tax Assessor 411 Ridgedale Ave, East Hanover 7936 | (973) 887-5056 |
| East Hanover Twp Tax Collector 411 Ridgedale Ave, East Hanover 7936 | (973) 887-5666 |