Area Code +48-23-(8011000...8011999) located in Ciechanow, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 8011000 Subscriber Number To : 8011999 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-(8010000...8010999) next › : +48-23-(8012000...8012999) Dialling Instructions For trunk calls: - 23 8011000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 23 8011000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8011000 ~ 8011999 (Count: 1,000) Example: +48-23-8011000 / 0048-23-8011000 (23-8011000 / -23-8011000) +48-23-8011001 / 0048-23-8011001 (23-8011001 / -23-8011001) +48-23-8011002 / 0048-23-8011002 (23-8011002 / -23-8011002) +48-23-8011003 / 0048-23-8011003 (23-8011003 / -23-8011003) +48-23-8011004 / 0048-23-8011004 (23-8011004 / -23-8011004) ...+48-23-xxxxxxx / 0048-23-xxxxxxx (23-xxxxxxx / -23-xxxxxxx) ...+48-23-8011995 / 0048-23-8011995 (23-8011995 / -23-8011995) +48-23-8011996 / 0048-23-8011996 (23-8011996 / -23-8011996) +48-23-8011997 / 0048-23-8011997 (23-8011997 / -23-8011997) +48-23-8011998 / 0048-23-8011998 (23-8011998 / -23-8011998) +48-23-8011999 / 0048-23-8011999 (23-8011999 / -23-8011999)