| Business | Phone |
| Board Of Elections 521 Mill Ave, Jacksonville 28540 | (910) 455-4484 |
| Information Technology Svc 609 Court St, Jacksonville 28540 | (910) 455-3926 |
| Onslow County Abc Board 409 Center St, Jacksonville 28546 | (910) 577-7186 |
| Onslow County Administration 118 Old Bridge St, Jacksonville 28540 | (910) 347-4717 |
| Onslow County Adult & Family 1249 Hargett St # C, Jacksonville 28540 | (910) 989-0230 |
| Onslow County Advp 127 Center St, Jacksonville 28546 | (910) 353-1706 |
| Onslow County Animal Control 242 Georgetown Rd, Jacksonville 28540 | (910) 455-0182 |
| Onslow County Bus Garage 248 Wilmington Hwy, Jacksonville 28540 | (910) 455-5037 |
| Onslow County Community Based 51 Plaza Dr, Jacksonville 28540 | (910) 938-2007 |
| Onslow County E911 Comms 1180 Commons Dr N, Jacksonville 28546 | (910) 938-6077 |
| Onslow County Early Childhood 165 Center St, Jacksonville 28546 | (910) 577-1892 |
| Onslow County Ems Billing 39 Tallman St, Jacksonville 28540 | (910) 455-3227 |
| Onslow County Finance Office 615 Court St, Jacksonville 28540 | (910) 455-3404 |
| Onslow County Fiscal 510 College St, Jacksonville 28540 | (910) 938-3445 |
| Onslow County Home Health 2013 Lejeune Blvd, Jacksonville 28546 | (910) 577-6660 |
| Onslow County Human Resources 202 Old Bridge St, Jacksonville 28540 | (910) 347-7600 |
| Onslow County Maintenance Dept 242 Georgetown Rd, Jacksonville 28540 | (910) 455-0334 |
| Onslow County Mosquito/Vector 410 Onslow Pines Rd, Jacksonville 28540 | (910) 455-0181 |
| Onslow County Purchasing Wrhs 1909 Onslow Dr, Jacksonville 28540 | (910) 938-0786 |
| Onslow County Senior Svc 4024 Richlands Hwy, Jacksonville 28540 | (910) 455-2747 |
| Onslow County Soil & Water 4024 Richlands Hwy, Jacksonville 28540 | (910) 455-4472 |
| Onslow County Vehicle Mntnc 1222 Onslow Pines Rd, Jacksonville 28540 | (910) 455-0181 |
| Onslow County Veteran Svc 116 Old Bridge St, Jacksonville 28540 | (910) 347-3309 |
| Onslow Developmental Day Center 231 York Ct, Jacksonville 28540 | (910) 455-5427 |
| Onslow Planning Dept 604 College St, Jacksonville 28540 | (910) 455-3661 |
| Onslow Purchasing Agent 609 Court St, Jacksonville 28540 | (910) 455-1750 |
| Onslow Register Of Deeds 109 Old Bridge St, Jacksonville 28540 | (910) 347-3451 |
| Verona Convenience Center Dawson Cabin Rd, Jacksonville 28540 | (910) 455-3677 |
| Clean County Committee Crdntr 604 College St, Jacksonville 28540 | (910) 455-4470 |
| Emergency Medical Svc 1180 Commons Dr N, Jacksonville 28546 | (910) 346-6760 |
| Emergency Services-Onslow Cnty 1180 Commons Dr N, Jacksonville 28546 | (910) 455-9119 |