Area Code +381-21-(510000...513999) 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 : 510000 Subscriber Number To : 513999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 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 : 8 Latitude : 45.2600 Longitude : 19.8500 ‹ previous : +381-21-(503000...506999) next › : +381-21-(518000...533999) Dialling Instructions For trunk calls: 0 21 510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 381 21 510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 510000 ~ 513999 (Count: 4,000) Example: +381-21-510000 / 00381-21-510000 (021-510000 / 0-21-510000) +381-21-510001 / 00381-21-510001 (021-510001 / 0-21-510001) +381-21-510002 / 00381-21-510002 (021-510002 / 0-21-510002) +381-21-510003 / 00381-21-510003 (021-510003 / 0-21-510003) +381-21-510004 / 00381-21-510004 (021-510004 / 0-21-510004) ...+381-21-xxxxxx / 00381-21-xxxxxx (021-xxxxxx / 0-21-xxxxxx) ...+381-21-513995 / 00381-21-513995 (021-513995 / 0-21-513995) +381-21-513996 / 00381-21-513996 (021-513996 / 0-21-513996) +381-21-513997 / 00381-21-513997 (021-513997 / 0-21-513997) +381-21-513998 / 00381-21-513998 (021-513998 / 0-21-513998) +381-21-513999 / 00381-21-513999 (021-513999 / 0-21-513999)