Area Code +381-721-(10040...10049) located in Machine to Machine Communications, more detail is as below. Place International Dialing Code : 381 International Prefix : 00 National Prefix : 0 National Destination Code : 721 Subscriber Number From : 10040 Subscriber Number To : 10049 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : S (Special) 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 : Machine to Machine Communications Timezone : Europe/Belgrade Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 44.8000 Longitude : 20.4700 ‹ previous : +381-721-(10030...10039) next › : +381-721-(10090...10099) Dialling Instructions For trunk calls: 0 721 10040 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 381 721 10040 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 10040 ~ 10049 (Count: 10) Example: +381-721-10040 / 00381-721-10040 (0721-10040 / 0-721-10040) +381-721-10041 / 00381-721-10041 (0721-10041 / 0-721-10041) +381-721-10042 / 00381-721-10042 (0721-10042 / 0-721-10042) +381-721-10043 / 00381-721-10043 (0721-10043 / 0-721-10043) +381-721-10044 / 00381-721-10044 (0721-10044 / 0-721-10044) ...+381-721-xxxxx / 00381-721-xxxxx (0721-xxxxx / 0-721-xxxxx) ...+381-721-10045 / 00381-721-10045 (0721-10045 / 0-721-10045) +381-721-10046 / 00381-721-10046 (0721-10046 / 0-721-10046) +381-721-10047 / 00381-721-10047 (0721-10047 / 0-721-10047) +381-721-10048 / 00381-721-10048 (0721-10048 / 0-721-10048) +381-721-10049 / 00381-721-10049 (0721-10049 / 0-721-10049)