Prosečne GPS koordinate za poštanski broj 638404: 11.783, 77.017
Spisak gradova:
>> Ukkaram 638404, Tamil Nadu, Periyar, GPS koordinate: 11.7833,77.0167
Spisak gradova:
>> Ukkaram 638404, Tamil Nadu, Periyar, GPS koordinate: 11.7833,77.0167