Area Code +420-378-(370000...379999) located in All locations, Plzensky (PL), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 378 Subscriber Number From : 370000 Subscriber Number To : 379999 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 : 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 : +420-378-(319000...326999) next › : +420-378-(400000...409999) Dialling Instructions For trunk calls: - 378 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 378 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +420-378-370000 / 00420-378-370000 (378-370000 / -378-370000) +420-378-370001 / 00420-378-370001 (378-370001 / -378-370001) +420-378-370002 / 00420-378-370002 (378-370002 / -378-370002) +420-378-370003 / 00420-378-370003 (378-370003 / -378-370003) +420-378-370004 / 00420-378-370004 (378-370004 / -378-370004) ...+420-378-xxxxxx / 00420-378-xxxxxx (378-xxxxxx / -378-xxxxxx) ...+420-378-379995 / 00420-378-379995 (378-379995 / -378-379995) +420-378-379996 / 00420-378-379996 (378-379996 / -378-379996) +420-378-379997 / 00420-378-379997 (378-379997 / -378-379997) +420-378-379998 / 00420-378-379998 (378-379998 / -378-379998) +420-378-379999 / 00420-378-379999 (378-379999 / -378-379999)