Area Code +31-343-(520000...529999) located in Doorn, Utrecht (UT), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 343 Subscriber Number From : 520000 Subscriber Number To : 529999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : KPN B.V. Click here to buy Netherlands Area Code Database Other Information Language Code : nl (Dutch) Country Number : 528 (Netherlands) Country Code : NL (Netherlands) Region Code : UT Region Name : Utrecht City : Doorn Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.0300 Longitude : 5.3500 ‹ previous : +31-343-(510000...519999) next › : +31-343-(530000...539999) Dialling Instructions For trunk calls: 0 343 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 343 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 529999 (Count: 10,000) Example: +31-343-520000 / 0031-343-520000 (0343-520000 / 0-343-520000) +31-343-520001 / 0031-343-520001 (0343-520001 / 0-343-520001) +31-343-520002 / 0031-343-520002 (0343-520002 / 0-343-520002) +31-343-520003 / 0031-343-520003 (0343-520003 / 0-343-520003) +31-343-520004 / 0031-343-520004 (0343-520004 / 0-343-520004) ...+31-343-xxxxxx / 0031-343-xxxxxx (0343-xxxxxx / 0-343-xxxxxx) ...+31-343-529995 / 0031-343-529995 (0343-529995 / 0-343-529995) +31-343-529996 / 0031-343-529996 (0343-529996 / 0-343-529996) +31-343-529997 / 0031-343-529997 (0343-529997 / 0-343-529997) +31-343-529998 / 0031-343-529998 (0343-529998 / 0-343-529998) +31-343-529999 / 0031-343-529999 (0343-529999 / 0-343-529999)