Area Code +7-423-(0000000...9999999) located in Primorie territory (Vladivostok), more detail is as below. Place International Dialing Code : 7 International Prefix : 810 National Prefix : 8 National Destination Code : 423 Subscriber Number From : 0000000 Subscriber Number To : 9999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Orange Click here to buy Russia Area Code Database Other Information Language Code : ru (Russian) Country Number : 643 (Russia) Country Code : RU (Russia) City : Primorie territory (Vladivostok) Timezone : Asia/Vladivostok Coordinated Universal Time : +10:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.1300 Longitude : 131.9200 ‹ previous : +7-421-(0000000...9999999) next › : +7-424-(0000000...9999999) Dialling Instructions For trunk calls: 0 423 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 810 7 423 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +7-423-0000000 / 8107-423-0000000 (8423-0000000 / 8-423-0000000) +7-423-0000001 / 8107-423-0000001 (8423-0000001 / 8-423-0000001) +7-423-0000002 / 8107-423-0000002 (8423-0000002 / 8-423-0000002) +7-423-0000003 / 8107-423-0000003 (8423-0000003 / 8-423-0000003) +7-423-0000004 / 8107-423-0000004 (8423-0000004 / 8-423-0000004) ...+7-423-xxxxxxx / 8107-423-xxxxxxx (8423-xxxxxxx / 8-423-xxxxxxx) ...+7-423-9999995 / 8107-423-9999995 (8423-9999995 / 8-423-9999995) +7-423-9999996 / 8107-423-9999996 (8423-9999996 / 8-423-9999996) +7-423-9999997 / 8107-423-9999997 (8423-9999997 / 8-423-9999997) +7-423-9999998 / 8107-423-9999998 (8423-9999998 / 8-423-9999998) +7-423-9999999 / 8107-423-9999999 (8423-9999999 / 8-423-9999999)