Area Code +31-544-(540000...549999) located in Groenlo, Gelderland (GE), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 544 Subscriber Number From : 540000 Subscriber Number To : 549999 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 : BT NEDERLAND N.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 : Groenlo Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.0400 Longitude : 6.6200 ‹ previous : +31-544-(480000...489999) next › : +31-544-(700000...700999) Dialling Instructions For trunk calls: 0 544 540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 544 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 540000 ~ 549999 (Count: 10,000) Example: +31-544-540000 / 0031-544-540000 (0544-540000 / 0-544-540000) +31-544-540001 / 0031-544-540001 (0544-540001 / 0-544-540001) +31-544-540002 / 0031-544-540002 (0544-540002 / 0-544-540002) +31-544-540003 / 0031-544-540003 (0544-540003 / 0-544-540003) +31-544-540004 / 0031-544-540004 (0544-540004 / 0-544-540004) ...+31-544-xxxxxx / 0031-544-xxxxxx (0544-xxxxxx / 0-544-xxxxxx) ...+31-544-549995 / 0031-544-549995 (0544-549995 / 0-544-549995) +31-544-549996 / 0031-544-549996 (0544-549996 / 0-544-549996) +31-544-549997 / 0031-544-549997 (0544-549997 / 0-544-549997) +31-544-549998 / 0031-544-549998 (0544-549998 / 0-544-549998) +31-544-549999 / 0031-544-549999 (0544-549999 / 0-544-549999)