| Business | Phone |
| Harrington Park Ambulance 49 Laroche Ave, Harrington Park 7640 | (201) 768-2100 |
| Harrington Park Bldg Inspector 85 Harriot Ave, Harrington Park 7640 | (201) 768-2585 |
| Harrington Park Borough Garage 66 Schraalenburg Rd, Harrington Park 7640 | (201) 768-0944 |
| Harrington Park Borough Hall 85 Harriot Ave, Harrington Park 7640 | (201) 768-1700 |
| Harrington Park Brd-Adjustment Kline St, Harrington Park 7640 | (201) 768-8790 |
| Harrington Park Municipal Ct 85 Harriot Ave, Harrington Park 7640 | (201) 768-0500 |
| Harrington Park Planning Board Kline St & Harriot Aveamp;, Harrington Park 7640 | (201) 768-2554 |
| Harrington Park Vol Ambulance Kline, Harrington Park 7640 | (201) 768-5441 |
| Borough Clerk 85 Harriot Ave, Harrington Park 7640 | (201) 768-1714 |