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City Name:Yen Bai

This is the Vietnam City Name:Yen Bai Area Code Database page list. You can click the title to browse the detail information.
Region Code:
Region Name National Destination Code Sn from Sn to Carrier Name Number Type
29 2000000 2999999 Viettel G
29 3000000 3999999 VNPT G
29 4000000 4999999 VTC G
29 6000000 6999999 Viettel G