Prosečne GPS koordinate za poštanski broj 30042: 33.93, -84.103
Spisak gradova:
>> Lawrenceville 30042, Georgia, Gwinnett, GPS koordinate: 33.9295,-84.1032
Spisak gradova:
>> Lawrenceville 30042, Georgia, Gwinnett, GPS koordinate: 33.9295,-84.1032