Area Code +81-237-(710000...719999) located in Sagae, Yamagata (06), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 237 Subscriber Number From : 710000 Subscriber Number To : 719999 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 : 06 Region Name : Yamagata City : Sagae Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 38.3800 Longitude : 140.2800 ‹ previous : +81-237-(700000...709999) next › : +81-237-(720000...729999) Dialling Instructions For trunk calls: 0 237 710000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 237 710000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 710000 ~ 719999 (Count: 10,000) Example: +81-237-710000 / 01081-237-710000 (0237-710000 / 0-237-710000) +81-237-710001 / 01081-237-710001 (0237-710001 / 0-237-710001) +81-237-710002 / 01081-237-710002 (0237-710002 / 0-237-710002) +81-237-710003 / 01081-237-710003 (0237-710003 / 0-237-710003) +81-237-710004 / 01081-237-710004 (0237-710004 / 0-237-710004) ...+81-237-xxxxxx / 01081-237-xxxxxx (0237-xxxxxx / 0-237-xxxxxx) ...+81-237-719995 / 01081-237-719995 (0237-719995 / 0-237-719995) +81-237-719996 / 01081-237-719996 (0237-719996 / 0-237-719996) +81-237-719997 / 01081-237-719997 (0237-719997 / 0-237-719997) +81-237-719998 / 01081-237-719998 (0237-719998 / 0-237-719998) +81-237-719999 / 01081-237-719999 (0237-719999 / 0-237-719999)