The following banks have branches in 01821:
Bank Of America
Bank Of America-Billerica Branch
Enterprise Bank And Trust Company
Enterprise Bank And Trust Company-Billerica Branch
Northern Bank
Northern Bank-Billerica Branch
Santander Bank
Santander Bank-Billerica – 508 Boston Road Branch
StonehamBank, A Co-Operative Bank
StonehamBank, A Co-Operative Bank-Billerica Branch