Area Code +31-521-(320000...329999) located in Steenwijk, Drenthe (DR), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 521 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 : DR Region Name : Drenthe City : Steenwijk Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.7900 Longitude : 6.1200 ‹ previous : +31-521-(210000...219999) next › : +31-521-(340000...349999) Dialling Instructions For trunk calls: 0 521 320000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 521 320000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 320000 ~ 329999 (Count: 10,000) Example: +31-521-320000 / 0031-521-320000 (0521-320000 / 0-521-320000) +31-521-320001 / 0031-521-320001 (0521-320001 / 0-521-320001) +31-521-320002 / 0031-521-320002 (0521-320002 / 0-521-320002) +31-521-320003 / 0031-521-320003 (0521-320003 / 0-521-320003) +31-521-320004 / 0031-521-320004 (0521-320004 / 0-521-320004) ...+31-521-xxxxxx / 0031-521-xxxxxx (0521-xxxxxx / 0-521-xxxxxx) ...+31-521-329995 / 0031-521-329995 (0521-329995 / 0-521-329995) +31-521-329996 / 0031-521-329996 (0521-329996 / 0-521-329996) +31-521-329997 / 0031-521-329997 (0521-329997 / 0-521-329997) +31-521-329998 / 0031-521-329998 (0521-329998 / 0-521-329998) +31-521-329999 / 0031-521-329999 (0521-329999 / 0-521-329999)