Area Code +7-721-(3800000...3899999) located in Gabidena Mustafina, Qaraghandy oblysy (KAR), more detail is as below. Place International Dialing Code : 7 International Prefix : 810 National Prefix : 8 National Destination Code : 721 Subscriber Number From : 3800000 Subscriber Number To : 3899999 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 : Kazakhtelecom Click here to buy Kazakhstan Area Code Database Other Information Language Code : kk (Kazakh) Country Number : 398 (Kazakhstan) Country Code : KZ (Kazakhstan) Region Code : KAR Region Name : Qaraghandy oblysy City : Gabidena Mustafina Timezone : Asia/Almaty Coordinated Universal Time : +06:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 47.9000 Longitude : 71.7700 ‹ previous : +7-721-(3700000...3799999) next › : +7-721-(3940000...3949999) Dialling Instructions For trunk calls: 8 721 3800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 810 7 721 3800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3800000 ~ 3899999 (Count: 100,000) Example: +7-721-3800000 / 8107-721-3800000 (8721-3800000 / 8-721-3800000) +7-721-3800001 / 8107-721-3800001 (8721-3800001 / 8-721-3800001) +7-721-3800002 / 8107-721-3800002 (8721-3800002 / 8-721-3800002) +7-721-3800003 / 8107-721-3800003 (8721-3800003 / 8-721-3800003) +7-721-3800004 / 8107-721-3800004 (8721-3800004 / 8-721-3800004) ...+7-721-xxxxxxx / 8107-721-xxxxxxx (8721-xxxxxxx / 8-721-xxxxxxx) ...+7-721-3899995 / 8107-721-3899995 (8721-3899995 / 8-721-3899995) +7-721-3899996 / 8107-721-3899996 (8721-3899996 / 8-721-3899996) +7-721-3899997 / 8107-721-3899997 (8721-3899997 / 8-721-3899997) +7-721-3899998 / 8107-721-3899998 (8721-3899998 / 8-721-3899998) +7-721-3899999 / 8107-721-3899999 (8721-3899999 / 8-721-3899999)