Area Code +48-12-(3737000...3737999) located in Krakow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 12 Subscriber Number From : 3737000 Subscriber Number To : 3737999 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 : Krapkowickie Sieci Internetowe S.C. 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-(3736000...3736999) next › : +48-12-(3738000...3738999) Dialling Instructions For trunk calls: - 12 3737000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 12 3737000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3737000 ~ 3737999 (Count: 1,000) Example: +48-12-3737000 / 0048-12-3737000 (12-3737000 / -12-3737000) +48-12-3737001 / 0048-12-3737001 (12-3737001 / -12-3737001) +48-12-3737002 / 0048-12-3737002 (12-3737002 / -12-3737002) +48-12-3737003 / 0048-12-3737003 (12-3737003 / -12-3737003) +48-12-3737004 / 0048-12-3737004 (12-3737004 / -12-3737004) ...+48-12-xxxxxxx / 0048-12-xxxxxxx (12-xxxxxxx / -12-xxxxxxx) ...+48-12-3737995 / 0048-12-3737995 (12-3737995 / -12-3737995) +48-12-3737996 / 0048-12-3737996 (12-3737996 / -12-3737996) +48-12-3737997 / 0048-12-3737997 (12-3737997 / -12-3737997) +48-12-3737998 / 0048-12-3737998 (12-3737998 / -12-3737998) +48-12-3737999 / 0048-12-3737999 (12-3737999 / -12-3737999)