Area Code +31-63-(0300000...0399999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 63 Subscriber Number From : 0300000 Subscriber Number To : 0399999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) 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) City : Mobile Telephony Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.3700 Longitude : 4.9000 ‹ previous : +31-63-(0200000...0299999) next › : +31-63-(0400000...0499999) Dialling Instructions For trunk calls: 0 63 0300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 63 0300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0300000 ~ 0399999 (Count: 100,000) Example: +31-63-0300000 / 0031-63-0300000 (063-0300000 / 0-63-0300000) +31-63-0300001 / 0031-63-0300001 (063-0300001 / 0-63-0300001) +31-63-0300002 / 0031-63-0300002 (063-0300002 / 0-63-0300002) +31-63-0300003 / 0031-63-0300003 (063-0300003 / 0-63-0300003) +31-63-0300004 / 0031-63-0300004 (063-0300004 / 0-63-0300004) ...+31-63-xxxxxxx / 0031-63-xxxxxxx (063-xxxxxxx / 0-63-xxxxxxx) ...+31-63-0399995 / 0031-63-0399995 (063-0399995 / 0-63-0399995) +31-63-0399996 / 0031-63-0399996 (063-0399996 / 0-63-0399996) +31-63-0399997 / 0031-63-0399997 (063-0399997 / 0-63-0399997) +31-63-0399998 / 0031-63-0399998 (063-0399998 / 0-63-0399998) +31-63-0399999 / 0031-63-0399999 (063-0399999 / 0-63-0399999)