Area Code +31-571-(280000...289999) located in Twello, Gelderland (GE), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 571 Subscriber Number From : 280000 Subscriber Number To : 289999 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 : GE Region Name : Gelderland City : Twello Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.1700 Longitude : 6.1400 ‹ previous : +31-571-(270000...279999) next › : +31-571-(290000...299999) Dialling Instructions For trunk calls: 0 571 280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 571 280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 280000 ~ 289999 (Count: 10,000) Example: +31-571-280000 / 0031-571-280000 (0571-280000 / 0-571-280000) +31-571-280001 / 0031-571-280001 (0571-280001 / 0-571-280001) +31-571-280002 / 0031-571-280002 (0571-280002 / 0-571-280002) +31-571-280003 / 0031-571-280003 (0571-280003 / 0-571-280003) +31-571-280004 / 0031-571-280004 (0571-280004 / 0-571-280004) ...+31-571-xxxxxx / 0031-571-xxxxxx (0571-xxxxxx / 0-571-xxxxxx) ...+31-571-289995 / 0031-571-289995 (0571-289995 / 0-571-289995) +31-571-289996 / 0031-571-289996 (0571-289996 / 0-571-289996) +31-571-289997 / 0031-571-289997 (0571-289997 / 0-571-289997) +31-571-289998 / 0031-571-289998 (0571-289998 / 0-571-289998) +31-571-289999 / 0031-571-289999 (0571-289999 / 0-571-289999)