Area Code +81-438-(250000...259999) 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 : 250000 Subscriber Number To : 259999 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 : 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-(230000...239999) next › : +81-438-(280000...289999) Dialling Instructions For trunk calls: 0 438 250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 438 250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 250000 ~ 259999 (Count: 10,000) Example: +81-438-250000 / 01081-438-250000 (0438-250000 / 0-438-250000) +81-438-250001 / 01081-438-250001 (0438-250001 / 0-438-250001) +81-438-250002 / 01081-438-250002 (0438-250002 / 0-438-250002) +81-438-250003 / 01081-438-250003 (0438-250003 / 0-438-250003) +81-438-250004 / 01081-438-250004 (0438-250004 / 0-438-250004) ...+81-438-xxxxxx / 01081-438-xxxxxx (0438-xxxxxx / 0-438-xxxxxx) ...+81-438-259995 / 01081-438-259995 (0438-259995 / 0-438-259995) +81-438-259996 / 01081-438-259996 (0438-259996 / 0-438-259996) +81-438-259997 / 01081-438-259997 (0438-259997 / 0-438-259997) +81-438-259998 / 01081-438-259998 (0438-259998 / 0-438-259998) +81-438-259999 / 01081-438-259999 (0438-259999 / 0-438-259999)