Kocaeli, Marmara Bölgesi'nde önemli bir sanayi ve ticaret merkezidir
Şehrin alan kodu 262'dir
Alan kodları, telefon hatlarının bölgesel sınıflandırılmasını sağlar
İletişim Sistemi
Alan kodu, telefon numaralarının başında yer alır
Kocaeli'den arama yaparken önce 262 kodu tuşlanmalıdır
Hem sabit hat hem cep telefonlarında kullanılır
İlçe Bazında
Gebze, İzmit ve Derince'nin alan kodu da 262'dir
Darıca, Çayırova, Körfez, Karamürsel, Gölcük, Kandıra ve Dilovası ilçelerinin kodları da 262'dir
Her ilçenin kendine özgü alan kodu vardır
Yanıtı değerlendir
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