Area Code +420-475-(170000...179999) located in All locations, Ustecky (US), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 475 Subscriber Number From : 170000 Subscriber Number To : 179999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : COPROSYS a.s. Click here to buy Czech Republic Area Code Database Other Information Language Code : cs (Czech) Country Number : 203 (Czech Republic) Country Code : CZ (Czech Republic) Region Code : US Region Name : Ustecky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.6100 Longitude : 13.7900 ‹ previous : +420-474-(944000...944999) next › : +420-475-(200000...201999) Dialling Instructions For trunk calls: - 475 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 475 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 179999 (Count: 10,000) Example: +420-475-170000 / 00420-475-170000 (475-170000 / -475-170000) +420-475-170001 / 00420-475-170001 (475-170001 / -475-170001) +420-475-170002 / 00420-475-170002 (475-170002 / -475-170002) +420-475-170003 / 00420-475-170003 (475-170003 / -475-170003) +420-475-170004 / 00420-475-170004 (475-170004 / -475-170004) ...+420-475-xxxxxx / 00420-475-xxxxxx (475-xxxxxx / -475-xxxxxx) ...+420-475-179995 / 00420-475-179995 (475-179995 / -475-179995) +420-475-179996 / 00420-475-179996 (475-179996 / -475-179996) +420-475-179997 / 00420-475-179997 (475-179997 / -475-179997) +420-475-179998 / 00420-475-179998 (475-179998 / -475-179998) +420-475-179999 / 00420-475-179999 (475-179999 / -475-179999)