Area Code +420-373-(300000...305999) located in All locations, Plzensky (PL), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 373 Subscriber Number From : 300000 Subscriber Number To : 305999 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 : Telefónica Czech Republic, 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 : PL Region Name : Plzensky City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 49.7500 Longitude : 13.3800 ‹ previous : +420-373-(030000...039999) next › : +420-373-(312000...313999) Dialling Instructions For trunk calls: - 373 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 373 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 305999 (Count: 6,000) Example: +420-373-300000 / 00420-373-300000 (373-300000 / -373-300000) +420-373-300001 / 00420-373-300001 (373-300001 / -373-300001) +420-373-300002 / 00420-373-300002 (373-300002 / -373-300002) +420-373-300003 / 00420-373-300003 (373-300003 / -373-300003) +420-373-300004 / 00420-373-300004 (373-300004 / -373-300004) ...+420-373-xxxxxx / 00420-373-xxxxxx (373-xxxxxx / -373-xxxxxx) ...+420-373-305995 / 00420-373-305995 (373-305995 / -373-305995) +420-373-305996 / 00420-373-305996 (373-305996 / -373-305996) +420-373-305997 / 00420-373-305997 (373-305997 / -373-305997) +420-373-305998 / 00420-373-305998 (373-305998 / -373-305998) +420-373-305999 / 00420-373-305999 (373-305999 / -373-305999)