Area Code +31-475-(631000...631999) located in Roermond, Limburg (LI), more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 475 Subscriber Number From : 631000 Subscriber Number To : 631999 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 : Tritone Telecom 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 : LI Region Name : Limburg City : Roermond Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 51.1900 Longitude : 5.9900 ‹ previous : +31-475-(630000...630999) next › : +31-475-(632000...632999) Dialling Instructions For trunk calls: 0 475 631000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 475 631000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 631000 ~ 631999 (Count: 1,000) Example: +31-475-631000 / 0031-475-631000 (0475-631000 / 0-475-631000) +31-475-631001 / 0031-475-631001 (0475-631001 / 0-475-631001) +31-475-631002 / 0031-475-631002 (0475-631002 / 0-475-631002) +31-475-631003 / 0031-475-631003 (0475-631003 / 0-475-631003) +31-475-631004 / 0031-475-631004 (0475-631004 / 0-475-631004) ...+31-475-xxxxxx / 0031-475-xxxxxx (0475-xxxxxx / 0-475-xxxxxx) ...+31-475-631995 / 0031-475-631995 (0475-631995 / 0-475-631995) +31-475-631996 / 0031-475-631996 (0475-631996 / 0-475-631996) +31-475-631997 / 0031-475-631997 (0475-631997 / 0-475-631997) +31-475-631998 / 0031-475-631998 (0475-631998 / 0-475-631998) +31-475-631999 / 0031-475-631999 (0475-631999 / 0-475-631999)