Area Code +81-261-(610000...619999) located in Omachi, Nagano (20), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 261 Subscriber Number From : 610000 Subscriber Number To : 619999 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 : 20 Region Name : Nagano City : Omachi Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.5000 Longitude : 137.8500 ‹ previous : +81-261-(290000...299999) next › : +81-261-(620000...629999) Dialling Instructions For trunk calls: 0 261 610000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 261 610000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 610000 ~ 619999 (Count: 10,000) Example: +81-261-610000 / 01081-261-610000 (0261-610000 / 0-261-610000) +81-261-610001 / 01081-261-610001 (0261-610001 / 0-261-610001) +81-261-610002 / 01081-261-610002 (0261-610002 / 0-261-610002) +81-261-610003 / 01081-261-610003 (0261-610003 / 0-261-610003) +81-261-610004 / 01081-261-610004 (0261-610004 / 0-261-610004) ...+81-261-xxxxxx / 01081-261-xxxxxx (0261-xxxxxx / 0-261-xxxxxx) ...+81-261-619995 / 01081-261-619995 (0261-619995 / 0-261-619995) +81-261-619996 / 01081-261-619996 (0261-619996 / 0-261-619996) +81-261-619997 / 01081-261-619997 (0261-619997 / 0-261-619997) +81-261-619998 / 01081-261-619998 (0261-619998 / 0-261-619998) +81-261-619999 / 01081-261-619999 (0261-619999 / 0-261-619999)