Prosečne GPS koordinate za poštanski broj lv-3020: 56.565, 23.793

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Spisak gradova:
>> Šalkas LV-3020, Zemgales, Jelgavas novads, GPS koordinate: 56.57825, 23.80856
>> Oglaine LV-3020, Zemgales, Jelgavas novads, GPS koordinate: 56.58945, 23.79578
>> Šķīras LV-3020, Zemgales, Jelgavas novads, GPS koordinate: 56.53284, 23.79422
>> Vircava LV-3020, Zemgales, Jelgavas novads, GPS koordinate: 56.55852, 23.77146