| Business | Phone |
| Town-Billerica Selectman's Office 365 Boston Rd # 203, Billerica 1821 | (978) 671-0939 |
| Billerica Arts Council 365 Boston Rd, Billerica 1821 | (978) 671-0973 |
| Billerica City Dog Pound Avila, Billerica 1821 | (978) 671-0909 |
| Billerica Health Board Office 365 Boston Rd, Billerica 1821 | (978) 671-0931 |
| Billerica Planning Board 365 Boston Rd, Billerica 1821 | (978) 671-0962 |
| Billerica Town Accountant 365 Boston Rd # 111, Billerica 1821 | (978) 671-0922 |
| Billerica Town Of Drug Hot Ln 6 Good St, Billerica 1821 | (978) 670-0731 |
| Billerica Town Offices 365 Boston Rd, Billerica 1821 | (978) 670-5717 |
| Billerica Veterans Svc Ctr 365 Boston Rd, Billerica 1821 | (978) 671-0968 |
| Building Plumbing & Wiring 365 Boston Rd, Billerica 1821 | (978) 671-0959 |