Find the last 4 digits (ZIP+4) for an address in 31561

ZIP 31561, Sea Island, GA is filled in. Just type the street address.

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ZIP Code 31561 – Sea Island, GA

Sea Island, Georgia · Glynn County · Eastern time

ZIP code31561
CitySea Island
StateGeorgia
CountyGlynn County
Population96
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.72 sq mi
Center (lat, long)31.2091, -81.3099

Area codes in this area

912

These are the area codes that most often serve ZIP 31561 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

31522 Saint Simons Island · 3.8 mi31524 Brunswick · 9.9 mi31520 Brunswick · 10.7 mi31527 Jekyll Island · 11.2 mi31521 Brunswick · 11.5 mi31305 Darien · 11.7 mi31327 Sapelo Island · 14.8 mi31525 Brunswick · 14.9 mi

About ZIP 31561

ZIP code 31561 is assigned to Sea Island, Georgia. It lies in Glynn County. Its Census area covers about 4.72 square miles of land. The closest neighboring ZIP is 31522 (Saint Simons Island), about 3.8 miles away.

Every address in 31561 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources