Prosečne GPS koordinate za poštanski broj 06423: 41.47, -72.406
Spisak gradova:
>> East Haddam 06423, Connecticut, Middlesex, GPS koordinate: 41.4696,-72.4059
Spisak gradova:
>> East Haddam 06423, Connecticut, Middlesex, GPS koordinate: 41.4696,-72.4059