Area Code +81-297-(660000...669999) located in Ryugasaki, Ibaraki (08), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 297 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : 08 Region Name : Ibaraki City : Ryugasaki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.9100 Longitude : 140.1800 ‹ previous : +81-297-(650000...659999) next › : +81-297-(670000...679999) Dialling Instructions For trunk calls: 0 297 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 297 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +81-297-660000 / 01081-297-660000 (0297-660000 / 0-297-660000) +81-297-660001 / 01081-297-660001 (0297-660001 / 0-297-660001) +81-297-660002 / 01081-297-660002 (0297-660002 / 0-297-660002) +81-297-660003 / 01081-297-660003 (0297-660003 / 0-297-660003) +81-297-660004 / 01081-297-660004 (0297-660004 / 0-297-660004) ...+81-297-xxxxxx / 01081-297-xxxxxx (0297-xxxxxx / 0-297-xxxxxx) ...+81-297-669995 / 01081-297-669995 (0297-669995 / 0-297-669995) +81-297-669996 / 01081-297-669996 (0297-669996 / 0-297-669996) +81-297-669997 / 01081-297-669997 (0297-669997 / 0-297-669997) +81-297-669998 / 01081-297-669998 (0297-669998 / 0-297-669998) +81-297-669999 / 01081-297-669999 (0297-669999 / 0-297-669999)