Contact Us

Questions, comments, thoughts, ideas? We want to hear them all! Contact us by email, call us at the numbers below or visit any one of our convenient locations. We look forward to hearing from you!

Call Us

Customer Service (671) 472-5300
(671) 477-5454 (fax) 
*Available 24/7
Voice Banking
(San Francisco Customers)
1-877-992-6473
Available 24/7

Voice Banking
(Bill Pay Service)

1-866-706-3876
Tue-Sat; 9:30am-4pm ChST
Voice Banking
(Island Customers)
Guam/Micronesia:
(671) 472-BOG1 (2641)
CNMI:
(670) 236-2799
U.S. Toll Free:
1-866-472-BOG1 (2641)
Available 24/7

Debit & Credit Card Services

(671) 472-5187
M-Th; 9:00am-4:00pm ChST Fri 9am-6pm

Lost or Stolen Card
Available 24/7

Credit & Debit
(671) 472-5300
Credit - U.S. Toll Free
1-800-442-4757
Debit - U.S. Toll Free
1-800-528-2273

Debit Card PIN Change

1-888-602-0430
Available 24/7

Credit Card PIN Change

1-888-891-2435
Available 24/7

Point of Sale / Merchant Services Help Desk

(671) 472-5242
M-Th, 9am - 4pm ChST Fri 9am – 6pm
After Hours Help Desk M-Th, 4pm - 8pm ChST Fri, 6pm - 8pm ChST Weekends and Holidays 8am - 8pm ChST (671) 472-5284
[email protected]

Merchant Authorization
Available 24/7

Mastercard/Visa
1-800-991-9911
Discover/JCB
1-800-347-1111
American Express
1-800-528-2121

Business Loans
Commercial Banking Group

(671) 472-5308 ext. 5035
Mon-Thu, 9am – 4pm ChST
Fri 9am – 6pm
Communications Group (671) 472-5534 or 472-5520
[email protected]

Home Mortgage Loans
Mortgage Banking Group

(671) 472-5308 ext. 5037
Mon-Thu, 9am – 4pm ChST
Fri 9am – 6pm

For Information Requests or Notice of Error
Human Resources Group (671) 472 - 5300 ext. 5605,5606 or 5916

Loan Adjustment Department

(671) 472-5352
(671) 472-5442
(671) 472-5569
Marketing Department

[email protected]

Personal Loans
Retail Banking Group

(671) 472-5308 ext. 5036
Mon-Thu, 9am – 4pm ChST
Fri 9am – 6pm
Trust Services (671) 472-5300 ext. 5144
Wealth Management (671) 472-5141

Write to Us

Customer Service:

Bank of Guam

P.O. Box BW

Hagatna, GU 96932

Send a Payment

Loan Payments:

Bank of Guam

111 West Chalan Santo Papa

Hagatna, GU 96910

Credit Card Payments:

Bank of Guam

P.O. Box 57C

Hagatna, GU 96932

Electronic Payments:

Guam and Surrounding Islands Routing Number: 121405115

San Francisco Routing Number: 121040169