| Business | Phone |
| Shinnecock Hills Sub Sta Saint Andrews Rd, Southampton 11968 | (631) 283-3494 |
| Southampton Building Dept 116 Hampton Rd, Southampton 11968 | (631) 287-5700 |
| Southampton Information Systs 116 Hampton Rd, Southampton 11968 | (631) 283-6030 |
| Southampton Personnel Dept 116 Hampton Rd, Southampton 11968 | (631) 287-5715 |
| Southampton Planning Board 116 Hampton Rd, Southampton 11968 | (631) 287-5735 |
| Southampton Supervisor 116 Hampton Rd, Southampton 11968 | (631) 283-6055 |
| Southampton Town Council 116 Hampton Rd, Southampton 11968 | (631) 287-5745 |
| Southampton Town Engineer 116 Hampton Rd, Southampton 11968 | (631) 287-5744 |
| Southampton Town Trustees 116 Hampton Rd, Southampton 11968 | (631) 287-5717 |
| Southampton Village Clerk 151 Windmill Ln, Southampton 11968 | (631) 283-0247 |
| Southampton Village Hwy Barn Willow, Southampton 11968 | (631) 283-2025 |
| Southampton Village Justice Ct 151 Windmill Ln, Southampton 11968 | (631) 204-2140 |
| Southampton Village Sub Sta Hampton Rd, Southampton 11968 | (631) 283-0995 |
| Southampton Vlg Bldg Inspector 23 Main St, Southampton 11968 | (631) 283-5234 |
| Veterans Memorial Hall Pond Ln, Southampton 11968 | (631) 287-1436 |