Area Code +31-544-(350000...359999) 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 : 350000 Subscriber Number To : 359999 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 : 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-(200000...200999) next › : +31-544-(370000...379999) Dialling Instructions For trunk calls: 0 544 350000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 544 350000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 350000 ~ 359999 (Count: 10,000) Example: +31-544-350000 / 0031-544-350000 (0544-350000 / 0-544-350000) +31-544-350001 / 0031-544-350001 (0544-350001 / 0-544-350001) +31-544-350002 / 0031-544-350002 (0544-350002 / 0-544-350002) +31-544-350003 / 0031-544-350003 (0544-350003 / 0-544-350003) +31-544-350004 / 0031-544-350004 (0544-350004 / 0-544-350004) ...+31-544-xxxxxx / 0031-544-xxxxxx (0544-xxxxxx / 0-544-xxxxxx) ...+31-544-359995 / 0031-544-359995 (0544-359995 / 0-544-359995) +31-544-359996 / 0031-544-359996 (0544-359996 / 0-544-359996) +31-544-359997 / 0031-544-359997 (0544-359997 / 0-544-359997) +31-544-359998 / 0031-544-359998 (0544-359998 / 0-544-359998) +31-544-359999 / 0031-544-359999 (0544-359999 / 0-544-359999)