Area Code +381-21-(3800000...3800999) 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 : 3800000 Subscriber Number To : 3800999 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 : INVEST-INŽENJERING 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-(3410000...3410999) next › : +381-21-(400000...403999) Dialling Instructions For trunk calls: 0 21 3800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 381 21 3800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3800000 ~ 3800999 (Count: 1,000) Example: +381-21-3800000 / 00381-21-3800000 (021-3800000 / 0-21-3800000) +381-21-3800001 / 00381-21-3800001 (021-3800001 / 0-21-3800001) +381-21-3800002 / 00381-21-3800002 (021-3800002 / 0-21-3800002) +381-21-3800003 / 00381-21-3800003 (021-3800003 / 0-21-3800003) +381-21-3800004 / 00381-21-3800004 (021-3800004 / 0-21-3800004) ...+381-21-xxxxxxx / 00381-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+381-21-3800995 / 00381-21-3800995 (021-3800995 / 0-21-3800995) +381-21-3800996 / 00381-21-3800996 (021-3800996 / 0-21-3800996) +381-21-3800997 / 00381-21-3800997 (021-3800997 / 0-21-3800997) +381-21-3800998 / 00381-21-3800998 (021-3800998 / 0-21-3800998) +381-21-3800999 / 00381-21-3800999 (021-3800999 / 0-21-3800999)