Neighboring Block Groups: 
Block Group 021625-1, 
Block Group 021502-1, 
Block Group 021518-1, 
Block Group 021624-1, 
Block Group 021625-2, 
Block Group 021515-2, 
Block Group 021517-2, 
Block Group 021518-2, 
Block Group 021516-3, 
Block Group 021502-3, 
Block Group 021403-4