Area Code +81-144-(510000...519999) located in Tomakomai, Hokkaido (01), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 144 Subscriber Number From : 510000 Subscriber Number To : 519999 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 : Tomakomai Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 42.6300 Longitude : 141.6100 ‹ previous : +81-144-(380000...389999) next › : +81-144-(520000...529999) Dialling Instructions For trunk calls: 0 144 510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 144 510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 510000 ~ 519999 (Count: 10,000) Example: +81-144-510000 / 01081-144-510000 (0144-510000 / 0-144-510000) +81-144-510001 / 01081-144-510001 (0144-510001 / 0-144-510001) +81-144-510002 / 01081-144-510002 (0144-510002 / 0-144-510002) +81-144-510003 / 01081-144-510003 (0144-510003 / 0-144-510003) +81-144-510004 / 01081-144-510004 (0144-510004 / 0-144-510004) ...+81-144-xxxxxx / 01081-144-xxxxxx (0144-xxxxxx / 0-144-xxxxxx) ...+81-144-519995 / 01081-144-519995 (0144-519995 / 0-144-519995) +81-144-519996 / 01081-144-519996 (0144-519996 / 0-144-519996) +81-144-519997 / 01081-144-519997 (0144-519997 / 0-144-519997) +81-144-519998 / 01081-144-519998 (0144-519998 / 0-144-519998) +81-144-519999 / 01081-144-519999 (0144-519999 / 0-144-519999)