Area Code +31-347-(320000...329999) located in Vianen, Utrecht (UT), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 347 Subscriber Number From : 320000 Subscriber Number To : 329999 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 : Vianen Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.9900 Longitude : 5.1000 ‹ previous : +31-347-(200000...200999) next › : +31-347-(340000...349999) Dialling Instructions For trunk calls: 0 347 320000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 347 320000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 320000 ~ 329999 (Count: 10,000) Example: +31-347-320000 / 0031-347-320000 (0347-320000 / 0-347-320000) +31-347-320001 / 0031-347-320001 (0347-320001 / 0-347-320001) +31-347-320002 / 0031-347-320002 (0347-320002 / 0-347-320002) +31-347-320003 / 0031-347-320003 (0347-320003 / 0-347-320003) +31-347-320004 / 0031-347-320004 (0347-320004 / 0-347-320004) ...+31-347-xxxxxx / 0031-347-xxxxxx (0347-xxxxxx / 0-347-xxxxxx) ...+31-347-329995 / 0031-347-329995 (0347-329995 / 0-347-329995) +31-347-329996 / 0031-347-329996 (0347-329996 / 0-347-329996) +31-347-329997 / 0031-347-329997 (0347-329997 / 0-347-329997) +31-347-329998 / 0031-347-329998 (0347-329998 / 0-347-329998) +31-347-329999 / 0031-347-329999 (0347-329999 / 0-347-329999)