Area Code +48-23-(6620000...6629999) located in Ciechanow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 6620000 Subscriber Number To : 6629999 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-(6619000...6619999) next › : +48-23-(6630000...6630999) Dialling Instructions For trunk calls: - 23 6620000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 23 6620000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6620000 ~ 6629999 (Count: 10,000) Example: +48-23-6620000 / 0048-23-6620000 (23-6620000 / -23-6620000) +48-23-6620001 / 0048-23-6620001 (23-6620001 / -23-6620001) +48-23-6620002 / 0048-23-6620002 (23-6620002 / -23-6620002) +48-23-6620003 / 0048-23-6620003 (23-6620003 / -23-6620003) +48-23-6620004 / 0048-23-6620004 (23-6620004 / -23-6620004) ...+48-23-xxxxxxx / 0048-23-xxxxxxx (23-xxxxxxx / -23-xxxxxxx) ...+48-23-6629995 / 0048-23-6629995 (23-6629995 / -23-6629995) +48-23-6629996 / 0048-23-6629996 (23-6629996 / -23-6629996) +48-23-6629997 / 0048-23-6629997 (23-6629997 / -23-6629997) +48-23-6629998 / 0048-23-6629998 (23-6629998 / -23-6629998) +48-23-6629999 / 0048-23-6629999 (23-6629999 / -23-6629999)