Area Code +81-438-(980000...989999) 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 : 980000 Subscriber Number To : 989999 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-(970000...979999) next › : +81-439-(200000...209999) Dialling Instructions For trunk calls: 0 438 980000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 438 980000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 980000 ~ 989999 (Count: 10,000) Example: +81-438-980000 / 01081-438-980000 (0438-980000 / 0-438-980000) +81-438-980001 / 01081-438-980001 (0438-980001 / 0-438-980001) +81-438-980002 / 01081-438-980002 (0438-980002 / 0-438-980002) +81-438-980003 / 01081-438-980003 (0438-980003 / 0-438-980003) +81-438-980004 / 01081-438-980004 (0438-980004 / 0-438-980004) ...+81-438-xxxxxx / 01081-438-xxxxxx (0438-xxxxxx / 0-438-xxxxxx) ...+81-438-989995 / 01081-438-989995 (0438-989995 / 0-438-989995) +81-438-989996 / 01081-438-989996 (0438-989996 / 0-438-989996) +81-438-989997 / 01081-438-989997 (0438-989997 / 0-438-989997) +81-438-989998 / 01081-438-989998 (0438-989998 / 0-438-989998) +81-438-989999 / 01081-438-989999 (0438-989999 / 0-438-989999)