Area Code +31-251-(310000...319999) located in Beverwijk, Noord-Holland (NH), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 251 Subscriber Number From : 310000 Subscriber Number To : 319999 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 : NH Region Name : Noord-Holland City : Beverwijk Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.4900 Longitude : 4.6600 ‹ previous : +31-251-(300000...300999) next › : +31-251-(320000...329999) Dialling Instructions For trunk calls: 0 251 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 251 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +31-251-310000 / 0031-251-310000 (0251-310000 / 0-251-310000) +31-251-310001 / 0031-251-310001 (0251-310001 / 0-251-310001) +31-251-310002 / 0031-251-310002 (0251-310002 / 0-251-310002) +31-251-310003 / 0031-251-310003 (0251-310003 / 0-251-310003) +31-251-310004 / 0031-251-310004 (0251-310004 / 0-251-310004) ...+31-251-xxxxxx / 0031-251-xxxxxx (0251-xxxxxx / 0-251-xxxxxx) ...+31-251-319995 / 0031-251-319995 (0251-319995 / 0-251-319995) +31-251-319996 / 0031-251-319996 (0251-319996 / 0-251-319996) +31-251-319997 / 0031-251-319997 (0251-319997 / 0-251-319997) +31-251-319998 / 0031-251-319998 (0251-319998 / 0-251-319998) +31-251-319999 / 0031-251-319999 (0251-319999 / 0-251-319999)