Area Code +48-12-(3131000...3131999) located in Krakow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 12 Subscriber Number From : 3131000 Subscriber Number To : 3131999 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-(3130000...3130999) next › : +48-12-(3132000...3132999) Dialling Instructions For trunk calls: - 12 3131000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 12 3131000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3131000 ~ 3131999 (Count: 1,000) Example: +48-12-3131000 / 0048-12-3131000 (12-3131000 / -12-3131000) +48-12-3131001 / 0048-12-3131001 (12-3131001 / -12-3131001) +48-12-3131002 / 0048-12-3131002 (12-3131002 / -12-3131002) +48-12-3131003 / 0048-12-3131003 (12-3131003 / -12-3131003) +48-12-3131004 / 0048-12-3131004 (12-3131004 / -12-3131004) ...+48-12-xxxxxxx / 0048-12-xxxxxxx (12-xxxxxxx / -12-xxxxxxx) ...+48-12-3131995 / 0048-12-3131995 (12-3131995 / -12-3131995) +48-12-3131996 / 0048-12-3131996 (12-3131996 / -12-3131996) +48-12-3131997 / 0048-12-3131997 (12-3131997 / -12-3131997) +48-12-3131998 / 0048-12-3131998 (12-3131998 / -12-3131998) +48-12-3131999 / 0048-12-3131999 (12-3131999 / -12-3131999)