Area Code +31-517-(230000...239999) located in Franeker, Fryslân (FR), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 517 Subscriber Number From : 230000 Subscriber Number To : 239999 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 : FR Region Name : Fryslân City : Franeker Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 53.1900 Longitude : 5.5400 ‹ previous : +31-517-(201000...201999) next › : +31-517-(260000...269999) Dialling Instructions For trunk calls: 0 517 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 517 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 239999 (Count: 10,000) Example: +31-517-230000 / 0031-517-230000 (0517-230000 / 0-517-230000) +31-517-230001 / 0031-517-230001 (0517-230001 / 0-517-230001) +31-517-230002 / 0031-517-230002 (0517-230002 / 0-517-230002) +31-517-230003 / 0031-517-230003 (0517-230003 / 0-517-230003) +31-517-230004 / 0031-517-230004 (0517-230004 / 0-517-230004) ...+31-517-xxxxxx / 0031-517-xxxxxx (0517-xxxxxx / 0-517-xxxxxx) ...+31-517-239995 / 0031-517-239995 (0517-239995 / 0-517-239995) +31-517-239996 / 0031-517-239996 (0517-239996 / 0-517-239996) +31-517-239997 / 0031-517-239997 (0517-239997 / 0-517-239997) +31-517-239998 / 0031-517-239998 (0517-239998 / 0-517-239998) +31-517-239999 / 0031-517-239999 (0517-239999 / 0-517-239999)