Area Code +81-523-(100000...109999) located in Nagoya, Aichi (23), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 523 Subscriber Number From : 100000 Subscriber Number To : 109999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : NTT 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 : 23 Region Name : Aichi City : Nagoya Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.1800 Longitude : 136.9100 ‹ previous : +81-523-(090000...099999) next › : +81-523-(200000...209999) Dialling Instructions For trunk calls: 0 523 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 523 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +81-523-100000 / 01081-523-100000 (0523-100000 / 0-523-100000) +81-523-100001 / 01081-523-100001 (0523-100001 / 0-523-100001) +81-523-100002 / 01081-523-100002 (0523-100002 / 0-523-100002) +81-523-100003 / 01081-523-100003 (0523-100003 / 0-523-100003) +81-523-100004 / 01081-523-100004 (0523-100004 / 0-523-100004) ...+81-523-xxxxxx / 01081-523-xxxxxx (0523-xxxxxx / 0-523-xxxxxx) ...+81-523-109995 / 01081-523-109995 (0523-109995 / 0-523-109995) +81-523-109996 / 01081-523-109996 (0523-109996 / 0-523-109996) +81-523-109997 / 01081-523-109997 (0523-109997 / 0-523-109997) +81-523-109998 / 01081-523-109998 (0523-109998 / 0-523-109998) +81-523-109999 / 01081-523-109999 (0523-109999 / 0-523-109999)