Area Code +48-23-(6517000...6517999) located in Ciechanow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 6517000 Subscriber Number To : 6517999 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 : MNI Centrum Usług 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-(6516000...6516999) next › : +48-23-(6518000...6518999) Dialling Instructions For trunk calls: - 23 6517000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 23 6517000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6517000 ~ 6517999 (Count: 1,000) Example: +48-23-6517000 / 0048-23-6517000 (23-6517000 / -23-6517000) +48-23-6517001 / 0048-23-6517001 (23-6517001 / -23-6517001) +48-23-6517002 / 0048-23-6517002 (23-6517002 / -23-6517002) +48-23-6517003 / 0048-23-6517003 (23-6517003 / -23-6517003) +48-23-6517004 / 0048-23-6517004 (23-6517004 / -23-6517004) ...+48-23-xxxxxxx / 0048-23-xxxxxxx (23-xxxxxxx / -23-xxxxxxx) ...+48-23-6517995 / 0048-23-6517995 (23-6517995 / -23-6517995) +48-23-6517996 / 0048-23-6517996 (23-6517996 / -23-6517996) +48-23-6517997 / 0048-23-6517997 (23-6517997 / -23-6517997) +48-23-6517998 / 0048-23-6517998 (23-6517998 / -23-6517998) +48-23-6517999 / 0048-23-6517999 (23-6517999 / -23-6517999)