Area Code +31-88-(1991900...1991999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 31 International Prefix : 00 National Prefix : 0 National Destination Code : 88 Subscriber Number From : 1991900 Subscriber Number To : 1991999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : D (D) Carrier Name : 4 Eye Principle Click here to buy Netherlands Area Code Database Other Information Language Code : nl (Dutch) Country Number : 528 (Netherlands) Country Code : NL (Netherlands) City : Corporate Numbers Timezone : Europe/Amsterdam Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.3700 Longitude : 4.9000 ‹ previous : +31-88-(1991100...1991199) next › : +31-88-(1992000...1992099) Dialling Instructions For trunk calls: 0 88 1991900 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 31 88 1991900 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1991900 ~ 1991999 (Count: 100) Example: +31-88-1991900 / 0031-88-1991900 (088-1991900 / 0-88-1991900) +31-88-1991901 / 0031-88-1991901 (088-1991901 / 0-88-1991901) +31-88-1991902 / 0031-88-1991902 (088-1991902 / 0-88-1991902) +31-88-1991903 / 0031-88-1991903 (088-1991903 / 0-88-1991903) +31-88-1991904 / 0031-88-1991904 (088-1991904 / 0-88-1991904) ...+31-88-xxxxxxx / 0031-88-xxxxxxx (088-xxxxxxx / 0-88-xxxxxxx) ...+31-88-1991995 / 0031-88-1991995 (088-1991995 / 0-88-1991995) +31-88-1991996 / 0031-88-1991996 (088-1991996 / 0-88-1991996) +31-88-1991997 / 0031-88-1991997 (088-1991997 / 0-88-1991997) +31-88-1991998 / 0031-88-1991998 (088-1991998 / 0-88-1991998) +31-88-1991999 / 0031-88-1991999 (088-1991999 / 0-88-1991999)