Sterling Phone Directory
| Organization | Phone Number |
| Animal Control Advisory Board | (978) 422-7331 |
| Assessors | (978) 422-8113 |
| Board of Health | (978) 422-3025 |
| Board of Selectmen | (978) 422-3031 |
| Building Department | (978) 422-8112 |
| Capital Fund | (978) 422-3030 |
| Collector / Treasurer | (978) 422-3028 |
| Conant Public Library | (978) 422-6409 |
| Council on Aging | (978) 422-6467 |
| Conservation Commission | (978) 422-3027 |
| Dept. Public Works | (978) 422-6767 |
| Executive Secretary | (978) 422-3030 |
| Field Sub Committee | (978) 422-3041 |
| Finance Committee | (978) 422-3415 |
| Fire Department | (978) 422-6633 |
| Housing Authority | (978) 422-8839 |
| Light Department | (978) 422-8267 |
| Personnel Board | (978) 422-3031 |
| Planning Board | (978) 422-3029 |
| Police Department | (978) 422-7331 |
| Recreation Committee | (978) 422-3041 |
| Schools, WRSD | (978) 422-6552 |
| Sterling Fair Committee | (987) 422-8138 |
| Town Clerk | (978) 422-8111 |
| Town Offices | (978) 422-3030 |
| Zoning Board of Appeals | (978) 422-3027 |