Area Code +381-21-(6310000...6323999) 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 : 6310000 Subscriber Number To : 6323999 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-(6300000...6302999) next › : +381-21-(6330000...6339999) Dialling Instructions For trunk calls: 0 21 6310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 381 21 6310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6310000 ~ 6323999 (Count: 14,000) Example: +381-21-6310000 / 00381-21-6310000 (021-6310000 / 0-21-6310000) +381-21-6310001 / 00381-21-6310001 (021-6310001 / 0-21-6310001) +381-21-6310002 / 00381-21-6310002 (021-6310002 / 0-21-6310002) +381-21-6310003 / 00381-21-6310003 (021-6310003 / 0-21-6310003) +381-21-6310004 / 00381-21-6310004 (021-6310004 / 0-21-6310004) ...+381-21-xxxxxxx / 00381-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+381-21-6323995 / 00381-21-6323995 (021-6323995 / 0-21-6323995) +381-21-6323996 / 00381-21-6323996 (021-6323996 / 0-21-6323996) +381-21-6323997 / 00381-21-6323997 (021-6323997 / 0-21-6323997) +381-21-6323998 / 00381-21-6323998 (021-6323998 / 0-21-6323998) +381-21-6323999 / 00381-21-6323999 (021-6323999 / 0-21-6323999)