Area Code +381-21-(6439000...6439999) located in Novi Sad, more detail is as below. Place International Dialing Code : 381 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 6439000 Subscriber Number To : 6439999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : TELEKOM SRBIJA Click here to buy Serbia Area Code Database Other Information Language Code : sr (Serbian) Country Number : 688 (Serbia) Country Code : RS (Serbia) City : Novi Sad Timezone : Europe/Belgrade Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 45.2600 Longitude : 19.8500 ‹ previous : +381-21-(6430000...6435999) next › : +381-21-(6442000...6447999) Dialling Instructions For trunk calls: 0 21 6439000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 381 21 6439000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6439000 ~ 6439999 (Count: 1,000) Example: +381-21-6439000 / 00381-21-6439000 (021-6439000 / 0-21-6439000) +381-21-6439001 / 00381-21-6439001 (021-6439001 / 0-21-6439001) +381-21-6439002 / 00381-21-6439002 (021-6439002 / 0-21-6439002) +381-21-6439003 / 00381-21-6439003 (021-6439003 / 0-21-6439003) +381-21-6439004 / 00381-21-6439004 (021-6439004 / 0-21-6439004) ...+381-21-xxxxxxx / 00381-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+381-21-6439995 / 00381-21-6439995 (021-6439995 / 0-21-6439995) +381-21-6439996 / 00381-21-6439996 (021-6439996 / 0-21-6439996) +381-21-6439997 / 00381-21-6439997 (021-6439997 / 0-21-6439997) +381-21-6439998 / 00381-21-6439998 (021-6439998 / 0-21-6439998) +381-21-6439999 / 00381-21-6439999 (021-6439999 / 0-21-6439999)