Area Code +81-454-(810000...819999) located in Yokohama, Kanagawa (14), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 454 Subscriber Number From : 810000 Subscriber Number To : 819999 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 : 14 Region Name : Kanagawa City : Yokohama Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.4400 Longitude : 139.6400 ‹ previous : +81-454-(790000...799999) next › : +81-454-(820000...829999) Dialling Instructions For trunk calls: 0 454 810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 454 810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 810000 ~ 819999 (Count: 10,000) Example: +81-454-810000 / 01081-454-810000 (0454-810000 / 0-454-810000) +81-454-810001 / 01081-454-810001 (0454-810001 / 0-454-810001) +81-454-810002 / 01081-454-810002 (0454-810002 / 0-454-810002) +81-454-810003 / 01081-454-810003 (0454-810003 / 0-454-810003) +81-454-810004 / 01081-454-810004 (0454-810004 / 0-454-810004) ...+81-454-xxxxxx / 01081-454-xxxxxx (0454-xxxxxx / 0-454-xxxxxx) ...+81-454-819995 / 01081-454-819995 (0454-819995 / 0-454-819995) +81-454-819996 / 01081-454-819996 (0454-819996 / 0-454-819996) +81-454-819997 / 01081-454-819997 (0454-819997 / 0-454-819997) +81-454-819998 / 01081-454-819998 (0454-819998 / 0-454-819998) +81-454-819999 / 01081-454-819999 (0454-819999 / 0-454-819999)