Area Code +81-438-(220000...229999) 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 : 220000 Subscriber Number To : 229999 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-(200000...209999) next › : +81-438-(230000...239999) Dialling Instructions For trunk calls: 0 438 220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 438 220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 220000 ~ 229999 (Count: 10,000) Example: +81-438-220000 / 01081-438-220000 (0438-220000 / 0-438-220000) +81-438-220001 / 01081-438-220001 (0438-220001 / 0-438-220001) +81-438-220002 / 01081-438-220002 (0438-220002 / 0-438-220002) +81-438-220003 / 01081-438-220003 (0438-220003 / 0-438-220003) +81-438-220004 / 01081-438-220004 (0438-220004 / 0-438-220004) ...+81-438-xxxxxx / 01081-438-xxxxxx (0438-xxxxxx / 0-438-xxxxxx) ...+81-438-229995 / 01081-438-229995 (0438-229995 / 0-438-229995) +81-438-229996 / 01081-438-229996 (0438-229996 / 0-438-229996) +81-438-229997 / 01081-438-229997 (0438-229997 / 0-438-229997) +81-438-229998 / 01081-438-229998 (0438-229998 / 0-438-229998) +81-438-229999 / 01081-438-229999 (0438-229999 / 0-438-229999)