Area Code +81-135-(620000...629999) located in Iwanai, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 135 Subscriber Number From : 620000 Subscriber Number To : 629999 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 : Iwanai Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.9800 Longitude : 140.5100 ‹ previous : +81-135-(610000...619999) next › : +81-135-(630000...639999) Dialling Instructions For trunk calls: 0 135 620000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 135 620000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 620000 ~ 629999 (Count: 10,000) Example: +81-135-620000 / 01081-135-620000 (0135-620000 / 0-135-620000) +81-135-620001 / 01081-135-620001 (0135-620001 / 0-135-620001) +81-135-620002 / 01081-135-620002 (0135-620002 / 0-135-620002) +81-135-620003 / 01081-135-620003 (0135-620003 / 0-135-620003) +81-135-620004 / 01081-135-620004 (0135-620004 / 0-135-620004) ...+81-135-xxxxxx / 01081-135-xxxxxx (0135-xxxxxx / 0-135-xxxxxx) ...+81-135-629995 / 01081-135-629995 (0135-629995 / 0-135-629995) +81-135-629996 / 01081-135-629996 (0135-629996 / 0-135-629996) +81-135-629997 / 01081-135-629997 (0135-629997 / 0-135-629997) +81-135-629998 / 01081-135-629998 (0135-629998 / 0-135-629998) +81-135-629999 / 01081-135-629999 (0135-629999 / 0-135-629999)