Area Code +81-438-(730000...739999) located in Kisarazu, Chiba (12), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 438 Subscriber Number From : 730000 Subscriber Number To : 739999 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 : Jupiter Telecommunications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 12 Region Name : Chiba City : Kisarazu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.3800 Longitude : 139.9200 ‹ previous : +81-438-(720000...729999) next › : +81-438-(750000...759999) Dialling Instructions For trunk calls: 0 438 730000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 438 730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 730000 ~ 739999 (Count: 10,000) Example: +81-438-730000 / 01081-438-730000 (0438-730000 / 0-438-730000) +81-438-730001 / 01081-438-730001 (0438-730001 / 0-438-730001) +81-438-730002 / 01081-438-730002 (0438-730002 / 0-438-730002) +81-438-730003 / 01081-438-730003 (0438-730003 / 0-438-730003) +81-438-730004 / 01081-438-730004 (0438-730004 / 0-438-730004) ...+81-438-xxxxxx / 01081-438-xxxxxx (0438-xxxxxx / 0-438-xxxxxx) ...+81-438-739995 / 01081-438-739995 (0438-739995 / 0-438-739995) +81-438-739996 / 01081-438-739996 (0438-739996 / 0-438-739996) +81-438-739997 / 01081-438-739997 (0438-739997 / 0-438-739997) +81-438-739998 / 01081-438-739998 (0438-739998 / 0-438-739998) +81-438-739999 / 01081-438-739999 (0438-739999 / 0-438-739999)