Area Code +81-261-(230000...239999) 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 : 230000 Subscriber Number To : 239999 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-(220000...229999) next › : +81-261-(250000...259999) Dialling Instructions For trunk calls: 0 261 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 261 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +81-261-230000 / 01081-261-230000 (0261-230000 / 0-261-230000) +81-261-230001 / 01081-261-230001 (0261-230001 / 0-261-230001) +81-261-230002 / 01081-261-230002 (0261-230002 / 0-261-230002) +81-261-230003 / 01081-261-230003 (0261-230003 / 0-261-230003) +81-261-230004 / 01081-261-230004 (0261-230004 / 0-261-230004) ...+81-261-xxxxxx / 01081-261-xxxxxx (0261-xxxxxx / 0-261-xxxxxx) ...+81-261-239995 / 01081-261-239995 (0261-239995 / 0-261-239995) +81-261-239996 / 01081-261-239996 (0261-239996 / 0-261-239996) +81-261-239997 / 01081-261-239997 (0261-239997 / 0-261-239997) +81-261-239998 / 01081-261-239998 (0261-239998 / 0-261-239998) +81-261-239999 / 01081-261-239999 (0261-239999 / 0-261-239999)