Area Code +81-156-(230000...239999) located in Honbetsu, 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 : 230000 Subscriber Number To : 239999 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 : Honbetsu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 43.1200 Longitude : 143.6100 ‹ previous : +81-156-(220000...229999) next › : +81-156-(240000...249999) Dialling Instructions For trunk calls: 0 156 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 156 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +81-156-230000 / 01081-156-230000 (0156-230000 / 0-156-230000) +81-156-230001 / 01081-156-230001 (0156-230001 / 0-156-230001) +81-156-230002 / 01081-156-230002 (0156-230002 / 0-156-230002) +81-156-230003 / 01081-156-230003 (0156-230003 / 0-156-230003) +81-156-230004 / 01081-156-230004 (0156-230004 / 0-156-230004) ...+81-156-xxxxxx / 01081-156-xxxxxx (0156-xxxxxx / 0-156-xxxxxx) ...+81-156-239995 / 01081-156-239995 (0156-239995 / 0-156-239995) +81-156-239996 / 01081-156-239996 (0156-239996 / 0-156-239996) +81-156-239997 / 01081-156-239997 (0156-239997 / 0-156-239997) +81-156-239998 / 01081-156-239998 (0156-239998 / 0-156-239998) +81-156-239999 / 01081-156-239999 (0156-239999 / 0-156-239999)