Area Code +31-521-(520000...529999) 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 : 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 : 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-(510000...519999) next › : +31-521-(530000...539999) Dialling Instructions For trunk calls: 0 521 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 521 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 529999 (Count: 10,000) Example: +31-521-520000 / 0031-521-520000 (0521-520000 / 0-521-520000) +31-521-520001 / 0031-521-520001 (0521-520001 / 0-521-520001) +31-521-520002 / 0031-521-520002 (0521-520002 / 0-521-520002) +31-521-520003 / 0031-521-520003 (0521-520003 / 0-521-520003) +31-521-520004 / 0031-521-520004 (0521-520004 / 0-521-520004) ...+31-521-xxxxxx / 0031-521-xxxxxx (0521-xxxxxx / 0-521-xxxxxx) ...+31-521-529995 / 0031-521-529995 (0521-529995 / 0-521-529995) +31-521-529996 / 0031-521-529996 (0521-529996 / 0-521-529996) +31-521-529997 / 0031-521-529997 (0521-529997 / 0-521-529997) +31-521-529998 / 0031-521-529998 (0521-529998 / 0-521-529998) +31-521-529999 / 0031-521-529999 (0521-529999 / 0-521-529999)