Area Code +48-12-(3121000...3121999) located in Krakow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 12 Subscriber Number From : 3121000 Subscriber Number To : 3121999 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 : Netia S.A. 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-(3120000...3120999) next › : +48-12-(3122000...3122999) Dialling Instructions For trunk calls: - 12 3121000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 12 3121000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3121000 ~ 3121999 (Count: 1,000) Example: +48-12-3121000 / 0048-12-3121000 (12-3121000 / -12-3121000) +48-12-3121001 / 0048-12-3121001 (12-3121001 / -12-3121001) +48-12-3121002 / 0048-12-3121002 (12-3121002 / -12-3121002) +48-12-3121003 / 0048-12-3121003 (12-3121003 / -12-3121003) +48-12-3121004 / 0048-12-3121004 (12-3121004 / -12-3121004) ...+48-12-xxxxxxx / 0048-12-xxxxxxx (12-xxxxxxx / -12-xxxxxxx) ...+48-12-3121995 / 0048-12-3121995 (12-3121995 / -12-3121995) +48-12-3121996 / 0048-12-3121996 (12-3121996 / -12-3121996) +48-12-3121997 / 0048-12-3121997 (12-3121997 / -12-3121997) +48-12-3121998 / 0048-12-3121998 (12-3121998 / -12-3121998) +48-12-3121999 / 0048-12-3121999 (12-3121999 / -12-3121999)