Area Code +381-21-(6503000...6506999) 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 : 6503000 Subscriber Number To : 6506999 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-(6496000...6500999) next › : +381-21-(6510000...6513999) Dialling Instructions For trunk calls: 0 21 6503000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 381 21 6503000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6503000 ~ 6506999 (Count: 4,000) Example: +381-21-6503000 / 00381-21-6503000 (021-6503000 / 0-21-6503000) +381-21-6503001 / 00381-21-6503001 (021-6503001 / 0-21-6503001) +381-21-6503002 / 00381-21-6503002 (021-6503002 / 0-21-6503002) +381-21-6503003 / 00381-21-6503003 (021-6503003 / 0-21-6503003) +381-21-6503004 / 00381-21-6503004 (021-6503004 / 0-21-6503004) ...+381-21-xxxxxxx / 00381-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+381-21-6506995 / 00381-21-6506995 (021-6506995 / 0-21-6506995) +381-21-6506996 / 00381-21-6506996 (021-6506996 / 0-21-6506996) +381-21-6506997 / 00381-21-6506997 (021-6506997 / 0-21-6506997) +381-21-6506998 / 00381-21-6506998 (021-6506998 / 0-21-6506998) +381-21-6506999 / 00381-21-6506999 (021-6506999 / 0-21-6506999)