Area Code +48-12-(3790000...3799999) located in Krakow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 12 Subscriber Number From : 3790000 Subscriber Number To : 3799999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : GTS Poland Sp. z o.o. Click here to buy Poland Area Code Database Other Information Language Code : pl (Polish) Country Number : 616 (Poland) Country Code : PL (Poland) City : Krakow Timezone : Europe/Warsaw Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.0600 Longitude : 19.9400 ‹ previous : +48-12-(3780000...3789999) next › : +48-12-(3800000...3800999) Dialling Instructions For trunk calls: - 12 3790000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 12 3790000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3790000 ~ 3799999 (Count: 10,000) Example: +48-12-3790000 / 0048-12-3790000 (12-3790000 / -12-3790000) +48-12-3790001 / 0048-12-3790001 (12-3790001 / -12-3790001) +48-12-3790002 / 0048-12-3790002 (12-3790002 / -12-3790002) +48-12-3790003 / 0048-12-3790003 (12-3790003 / -12-3790003) +48-12-3790004 / 0048-12-3790004 (12-3790004 / -12-3790004) ...+48-12-xxxxxxx / 0048-12-xxxxxxx (12-xxxxxxx / -12-xxxxxxx) ...+48-12-3799995 / 0048-12-3799995 (12-3799995 / -12-3799995) +48-12-3799996 / 0048-12-3799996 (12-3799996 / -12-3799996) +48-12-3799997 / 0048-12-3799997 (12-3799997 / -12-3799997) +48-12-3799998 / 0048-12-3799998 (12-3799998 / -12-3799998) +48-12-3799999 / 0048-12-3799999 (12-3799999 / -12-3799999)