Area Code +81-135-(710000...719999) 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 : 710000 Subscriber Number To : 719999 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-(700000...709999) next › : +81-135-(720000...729999) Dialling Instructions For trunk calls: 0 135 710000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 135 710000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 710000 ~ 719999 (Count: 10,000) Example: +81-135-710000 / 01081-135-710000 (0135-710000 / 0-135-710000) +81-135-710001 / 01081-135-710001 (0135-710001 / 0-135-710001) +81-135-710002 / 01081-135-710002 (0135-710002 / 0-135-710002) +81-135-710003 / 01081-135-710003 (0135-710003 / 0-135-710003) +81-135-710004 / 01081-135-710004 (0135-710004 / 0-135-710004) ...+81-135-xxxxxx / 01081-135-xxxxxx (0135-xxxxxx / 0-135-xxxxxx) ...+81-135-719995 / 01081-135-719995 (0135-719995 / 0-135-719995) +81-135-719996 / 01081-135-719996 (0135-719996 / 0-135-719996) +81-135-719997 / 01081-135-719997 (0135-719997 / 0-135-719997) +81-135-719998 / 01081-135-719998 (0135-719998 / 0-135-719998) +81-135-719999 / 01081-135-719999 (0135-719999 / 0-135-719999)