Area Code +48-23-(6780000...6780999) located in Ciechanow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 6780000 Subscriber Number To : 6780999 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 : Orange Polska 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 : Ciechanow Timezone : Europe/Warsaw Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 52.8800 Longitude : 20.6200 ‹ previous : +48-23-(6777000...6777999) next › : +48-23-(6781000...6781999) Dialling Instructions For trunk calls: - 23 6780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 23 6780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6780000 ~ 6780999 (Count: 1,000) Example: +48-23-6780000 / 0048-23-6780000 (23-6780000 / -23-6780000) +48-23-6780001 / 0048-23-6780001 (23-6780001 / -23-6780001) +48-23-6780002 / 0048-23-6780002 (23-6780002 / -23-6780002) +48-23-6780003 / 0048-23-6780003 (23-6780003 / -23-6780003) +48-23-6780004 / 0048-23-6780004 (23-6780004 / -23-6780004) ...+48-23-xxxxxxx / 0048-23-xxxxxxx (23-xxxxxxx / -23-xxxxxxx) ...+48-23-6780995 / 0048-23-6780995 (23-6780995 / -23-6780995) +48-23-6780996 / 0048-23-6780996 (23-6780996 / -23-6780996) +48-23-6780997 / 0048-23-6780997 (23-6780997 / -23-6780997) +48-23-6780998 / 0048-23-6780998 (23-6780998 / -23-6780998) +48-23-6780999 / 0048-23-6780999 (23-6780999 / -23-6780999)