Area Code +81-237-(740000...749999) 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 : 740000 Subscriber Number To : 749999 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-(730000...739999) next › : +81-237-(750000...759999) Dialling Instructions For trunk calls: 0 237 740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 237 740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 740000 ~ 749999 (Count: 10,000) Example: +81-237-740000 / 01081-237-740000 (0237-740000 / 0-237-740000) +81-237-740001 / 01081-237-740001 (0237-740001 / 0-237-740001) +81-237-740002 / 01081-237-740002 (0237-740002 / 0-237-740002) +81-237-740003 / 01081-237-740003 (0237-740003 / 0-237-740003) +81-237-740004 / 01081-237-740004 (0237-740004 / 0-237-740004) ...+81-237-xxxxxx / 01081-237-xxxxxx (0237-xxxxxx / 0-237-xxxxxx) ...+81-237-749995 / 01081-237-749995 (0237-749995 / 0-237-749995) +81-237-749996 / 01081-237-749996 (0237-749996 / 0-237-749996) +81-237-749997 / 01081-237-749997 (0237-749997 / 0-237-749997) +81-237-749998 / 01081-237-749998 (0237-749998 / 0-237-749998) +81-237-749999 / 01081-237-749999 (0237-749999 / 0-237-749999)