| Business | Phone |
| Northwestern Elementary School 6493 Route 309, New Tripoli 18066 | (610) 298-2571 |
| Northwestern High School 6493 Route 309, New Tripoli 18066 | (610) 298-8931 |
| Northwestern Lehigh Schl Dist 6493 Route 309, New Tripoli 18066 | (610) 298-8661 |
| Northwestern Middle School 6636 Northwest Rd, New Tripoli 18066 | (610) 298-2121 |