Where is Zip Code 31523 map for 2020, 2019Primary Zip Codes for 31523Zip CodePrimary CitySecondary City31523BrunswickCities sharing Zip Codes with 31523Zip CodePrimary CitySecondary CityMore Information31522Saint Simons IslandBrunswick Brunswick population stats 31527Jekyll IslandBrunswick Brunswick population stats 31561Sea IslandBrunswick Brunswick population stats 31520BrunswickBrunswick Brunswick population stats 31521BrunswickBrunswick Brunswick population stats 31524BrunswickBrunswick Brunswick population stats 31525BrunswickBrunswick Brunswick population stats Advertisements