Area Code +81-156-(420000...429999) located in Kamishihoro, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 156 Subscriber Number From : 420000 Subscriber Number To : 429999 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 East Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 01 Region Name : Hokkaido City : Kamishihoro Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.2300 Longitude : 143.3000 ‹ previous : +81-156-(330000...339999) next › : +81-156-(430000...439999) Dialling Instructions For trunk calls: 0 156 420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 156 420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 420000 ~ 429999 (Count: 10,000) Example: +81-156-420000 / 01081-156-420000 (0156-420000 / 0-156-420000) +81-156-420001 / 01081-156-420001 (0156-420001 / 0-156-420001) +81-156-420002 / 01081-156-420002 (0156-420002 / 0-156-420002) +81-156-420003 / 01081-156-420003 (0156-420003 / 0-156-420003) +81-156-420004 / 01081-156-420004 (0156-420004 / 0-156-420004) ...+81-156-xxxxxx / 01081-156-xxxxxx (0156-xxxxxx / 0-156-xxxxxx) ...+81-156-429995 / 01081-156-429995 (0156-429995 / 0-156-429995) +81-156-429996 / 01081-156-429996 (0156-429996 / 0-156-429996) +81-156-429997 / 01081-156-429997 (0156-429997 / 0-156-429997) +81-156-429998 / 01081-156-429998 (0156-429998 / 0-156-429998) +81-156-429999 / 01081-156-429999 (0156-429999 / 0-156-429999)