Area Code +48-23-(6570000...6579999) located in Ciechanow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 6570000 Subscriber Number To : 6579999 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-(6550000...6559999) next › : +48-23-(6581000...6581999) Dialling Instructions For trunk calls: - 23 6570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 23 6570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6570000 ~ 6579999 (Count: 10,000) Example: +48-23-6570000 / 0048-23-6570000 (23-6570000 / -23-6570000) +48-23-6570001 / 0048-23-6570001 (23-6570001 / -23-6570001) +48-23-6570002 / 0048-23-6570002 (23-6570002 / -23-6570002) +48-23-6570003 / 0048-23-6570003 (23-6570003 / -23-6570003) +48-23-6570004 / 0048-23-6570004 (23-6570004 / -23-6570004) ...+48-23-xxxxxxx / 0048-23-xxxxxxx (23-xxxxxxx / -23-xxxxxxx) ...+48-23-6579995 / 0048-23-6579995 (23-6579995 / -23-6579995) +48-23-6579996 / 0048-23-6579996 (23-6579996 / -23-6579996) +48-23-6579997 / 0048-23-6579997 (23-6579997 / -23-6579997) +48-23-6579998 / 0048-23-6579998 (23-6579998 / -23-6579998) +48-23-6579999 / 0048-23-6579999 (23-6579999 / -23-6579999)