There website is finally working properly. Here is a list of shops straight from them:
# Ben & Jerry's Alpharetta - Windward
5250 Windward Parkway
Suite 113
Alpharetta, GA 30004
770-667-8540
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Join Us for Free Cone Day (April 25th)

# Ben & Jerry's Athens
105 College Aveune
Athens, GA 30601
706-208-0031
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Join Us for Free Cone Day (April 25th)

# Ben & Jerry's Atlanta Airport A
Hartsfield Atlanta Intl. Airport
Atlanta, GA 30320
404-766-1902
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Not Participating in Free Cone Day

# Ben & Jerry's Atlanta Airport B
Hartsfield International Airport
Concourse B
Atlanta, GA 30320
404-766-2444
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Not Participating in Free Cone Day

# Ben & Jerry's Atlanta Airport C
Hartsfield Atlanta Intl. Airport
Atlanta, GA 30320
404-767-5086
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Not Participating in Free Cone Day

# Ben & Jerry's Highland
800 North Highland Avenue
Atlanta, GA 30306
404-874-3144
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Join Us for Free Cone Day (April 25th)

# Ben & Jerry's Savannah
1 West River Street
Savannah, GA 31401
912-341-0102
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Join Us for Free Cone Day (April 25th)

# Ben & Jerry's Six Flags Atlanta #309
Six Flags Over Georgia
275 Six Flags Parkway
Austell, GA 30168
770-941-6057
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Not Participating in Free Cone Day

# Ben & Jerry's Six Flags Atlanta #512
Six Flags Over Georgia
275 Six Flags Parkway
Austell, GA 30168
770-941-6057
Map it!
Not Participating in Free Cone Day