Area Code +48-23-(6720000...6729999) located in Ciechanow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 6720000 Subscriber Number To : 6729999 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-(6710000...6719999) next › : +48-23-(6730000...6739999) Dialling Instructions For trunk calls: - 23 6720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 23 6720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6720000 ~ 6729999 (Count: 10,000) Example: +48-23-6720000 / 0048-23-6720000 (23-6720000 / -23-6720000) +48-23-6720001 / 0048-23-6720001 (23-6720001 / -23-6720001) +48-23-6720002 / 0048-23-6720002 (23-6720002 / -23-6720002) +48-23-6720003 / 0048-23-6720003 (23-6720003 / -23-6720003) +48-23-6720004 / 0048-23-6720004 (23-6720004 / -23-6720004) ...+48-23-xxxxxxx / 0048-23-xxxxxxx (23-xxxxxxx / -23-xxxxxxx) ...+48-23-6729995 / 0048-23-6729995 (23-6729995 / -23-6729995) +48-23-6729996 / 0048-23-6729996 (23-6729996 / -23-6729996) +48-23-6729997 / 0048-23-6729997 (23-6729997 / -23-6729997) +48-23-6729998 / 0048-23-6729998 (23-6729998 / -23-6729998) +48-23-6729999 / 0048-23-6729999 (23-6729999 / -23-6729999)