Area Code +381-21-(6390000...6403999) 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 : 6390000 Subscriber Number To : 6403999 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-(6371000...6372999) next › : +381-21-(6410000...6417999) Dialling Instructions For trunk calls: 0 21 6390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 381 21 6390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6390000 ~ 6403999 (Count: 14,000) Example: +381-21-6390000 / 00381-21-6390000 (021-6390000 / 0-21-6390000) +381-21-6390001 / 00381-21-6390001 (021-6390001 / 0-21-6390001) +381-21-6390002 / 00381-21-6390002 (021-6390002 / 0-21-6390002) +381-21-6390003 / 00381-21-6390003 (021-6390003 / 0-21-6390003) +381-21-6390004 / 00381-21-6390004 (021-6390004 / 0-21-6390004) ...+381-21-xxxxxxx / 00381-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+381-21-6403995 / 00381-21-6403995 (021-6403995 / 0-21-6403995) +381-21-6403996 / 00381-21-6403996 (021-6403996 / 0-21-6403996) +381-21-6403997 / 00381-21-6403997 (021-6403997 / 0-21-6403997) +381-21-6403998 / 00381-21-6403998 (021-6403998 / 0-21-6403998) +381-21-6403999 / 00381-21-6403999 (021-6403999 / 0-21-6403999)