Prosečne GPS koordinate za poštanski broj 27021: 35.78, 0.191

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Spisak gradova:
>> Douar Draiffra 27021, Mostaganem, GPS koordinate: 35.7804,0.1905
>> Douar Ghezazla 27021, Mostaganem, GPS koordinate: 35.7804,0.1905
>> Sirat 27021, Mostaganem, GPS koordinate: 35.7804,0.1905
>> Slamnia 27021, Mostaganem, GPS koordinate: 35.7804,0.1905