Area Code +420-351-(170000...172999) located in All locations, Karlovarsky (KA), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 351 Subscriber Number From : 170000 Subscriber Number To : 172999 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 : České Radiokomunikace 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 : KA Region Name : Karlovarsky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.1800 Longitude : 12.6500 ‹ previous : +420-351-(169000...169999) next › : +420-351-(173000...173999) Dialling Instructions For trunk calls: - 351 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 351 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 172999 (Count: 3,000) Example: +420-351-170000 / 00420-351-170000 (351-170000 / -351-170000) +420-351-170001 / 00420-351-170001 (351-170001 / -351-170001) +420-351-170002 / 00420-351-170002 (351-170002 / -351-170002) +420-351-170003 / 00420-351-170003 (351-170003 / -351-170003) +420-351-170004 / 00420-351-170004 (351-170004 / -351-170004) ...+420-351-xxxxxx / 00420-351-xxxxxx (351-xxxxxx / -351-xxxxxx) ...+420-351-172995 / 00420-351-172995 (351-172995 / -351-172995) +420-351-172996 / 00420-351-172996 (351-172996 / -351-172996) +420-351-172997 / 00420-351-172997 (351-172997 / -351-172997) +420-351-172998 / 00420-351-172998 (351-172998 / -351-172998) +420-351-172999 / 00420-351-172999 (351-172999 / -351-172999)