Southeastern Bank, Brunswick Branch Basic Info Reviews Routing Numbers Map & Direction Name: Southeastern Bank, Brunswick Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 15 Trade Street Brunswick, Georgia 31525 Glynn County View other branches Phone: 912-264-3307 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer061205844YY063113044YN From: To: