Area Code +31-343-(530000...539999) 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 : 530000 Subscriber Number To : 539999 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-(520000...529999) next › : +31-343-(550000...559999) Dialling Instructions For trunk calls: 0 343 530000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 343 530000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 530000 ~ 539999 (Count: 10,000) Example: +31-343-530000 / 0031-343-530000 (0343-530000 / 0-343-530000) +31-343-530001 / 0031-343-530001 (0343-530001 / 0-343-530001) +31-343-530002 / 0031-343-530002 (0343-530002 / 0-343-530002) +31-343-530003 / 0031-343-530003 (0343-530003 / 0-343-530003) +31-343-530004 / 0031-343-530004 (0343-530004 / 0-343-530004) ...+31-343-xxxxxx / 0031-343-xxxxxx (0343-xxxxxx / 0-343-xxxxxx) ...+31-343-539995 / 0031-343-539995 (0343-539995 / 0-343-539995) +31-343-539996 / 0031-343-539996 (0343-539996 / 0-343-539996) +31-343-539997 / 0031-343-539997 (0343-539997 / 0-343-539997) +31-343-539998 / 0031-343-539998 (0343-539998 / 0-343-539998) +31-343-539999 / 0031-343-539999 (0343-539999 / 0-343-539999)