Area Code +81-23-(6130000...6139999) located in Yamagata, Yamagata (06), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 23 Subscriber Number From : 6130000 Subscriber Number To : 6139999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Fusion Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 06 Region Name : Yamagata City : Yamagata Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 38.2600 Longitude : 140.3400 ‹ previous : +81-23-(6120000...6129999) next › : +81-23-(6150000...6159999) Dialling Instructions For trunk calls: 0 23 6130000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 23 6130000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6130000 ~ 6139999 (Count: 10,000) Example: +81-23-6130000 / 01081-23-6130000 (023-6130000 / 0-23-6130000) +81-23-6130001 / 01081-23-6130001 (023-6130001 / 0-23-6130001) +81-23-6130002 / 01081-23-6130002 (023-6130002 / 0-23-6130002) +81-23-6130003 / 01081-23-6130003 (023-6130003 / 0-23-6130003) +81-23-6130004 / 01081-23-6130004 (023-6130004 / 0-23-6130004) ...+81-23-xxxxxxx / 01081-23-xxxxxxx (023-xxxxxxx / 0-23-xxxxxxx) ...+81-23-6139995 / 01081-23-6139995 (023-6139995 / 0-23-6139995) +81-23-6139996 / 01081-23-6139996 (023-6139996 / 0-23-6139996) +81-23-6139997 / 01081-23-6139997 (023-6139997 / 0-23-6139997) +81-23-6139998 / 01081-23-6139998 (023-6139998 / 0-23-6139998) +81-23-6139999 / 01081-23-6139999 (023-6139999 / 0-23-6139999)