| Business | Phone |
| Armenian Orthodox Theological 322 Nashua Rd, Billerica 1821 | (978) 670-1414 |
| St Mary's Rectory 796 Boston Rd, Billerica 1821 | (978) 663-2215 |
| St Theresas Catholic Church 1 Grace Ave, Billerica 1821 | (978) 663-8816 |
| First Congregational Church 18 Andover Rd, Billerica 1821 | (978) 663-8433 |
| First Parish Unitarian Church 7 Concord Rd, Billerica 1821 | (978) 663-2293 |
| Seventh-Day Adventist Church 30 Pond St, Billerica 1821 | (978) 663-0454 |
| Church Of Jesus Christ Of Lds 70 Concord Rd, Billerica 1821 | (978) 667-7663 |
| Community Cong Church-United 803 Boston Rd, Billerica 1821 | (978) 663-3750 |
| Jehovah's Witness Study 310 River St, Billerica 1821 | (978) 667-8206 |