Area Code +48-12-(3137000...3137999) located in Krakow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 12 Subscriber Number From : 3137000 Subscriber Number To : 3137999 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 : UPC Polska 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-(3136000...3136999) next › : +48-12-(3138000...3138999) Dialling Instructions For trunk calls: - 12 3137000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 12 3137000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3137000 ~ 3137999 (Count: 1,000) Example: +48-12-3137000 / 0048-12-3137000 (12-3137000 / -12-3137000) +48-12-3137001 / 0048-12-3137001 (12-3137001 / -12-3137001) +48-12-3137002 / 0048-12-3137002 (12-3137002 / -12-3137002) +48-12-3137003 / 0048-12-3137003 (12-3137003 / -12-3137003) +48-12-3137004 / 0048-12-3137004 (12-3137004 / -12-3137004) ...+48-12-xxxxxxx / 0048-12-xxxxxxx (12-xxxxxxx / -12-xxxxxxx) ...+48-12-3137995 / 0048-12-3137995 (12-3137995 / -12-3137995) +48-12-3137996 / 0048-12-3137996 (12-3137996 / -12-3137996) +48-12-3137997 / 0048-12-3137997 (12-3137997 / -12-3137997) +48-12-3137998 / 0048-12-3137998 (12-3137998 / -12-3137998) +48-12-3137999 / 0048-12-3137999 (12-3137999 / -12-3137999)