Area Code +48-23-(6710000...6719999) located in Ciechanow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 6710000 Subscriber Number To : 6719999 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-(6643000...6643999) next › : +48-23-(6720000...6729999) Dialling Instructions For trunk calls: - 23 6710000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 23 6710000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6710000 ~ 6719999 (Count: 10,000) Example: +48-23-6710000 / 0048-23-6710000 (23-6710000 / -23-6710000) +48-23-6710001 / 0048-23-6710001 (23-6710001 / -23-6710001) +48-23-6710002 / 0048-23-6710002 (23-6710002 / -23-6710002) +48-23-6710003 / 0048-23-6710003 (23-6710003 / -23-6710003) +48-23-6710004 / 0048-23-6710004 (23-6710004 / -23-6710004) ...+48-23-xxxxxxx / 0048-23-xxxxxxx (23-xxxxxxx / -23-xxxxxxx) ...+48-23-6719995 / 0048-23-6719995 (23-6719995 / -23-6719995) +48-23-6719996 / 0048-23-6719996 (23-6719996 / -23-6719996) +48-23-6719997 / 0048-23-6719997 (23-6719997 / -23-6719997) +48-23-6719998 / 0048-23-6719998 (23-6719998 / -23-6719998) +48-23-6719999 / 0048-23-6719999 (23-6719999 / -23-6719999)