Area Code +420-377-(166000...175999) located in All locations, Plzensky (PL), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 377 Subscriber Number From : 166000 Subscriber Number To : 175999 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 : +420-377-(164000...164999) next › : +420-377-(177000...184999) Dialling Instructions For trunk calls: - 377 166000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 377 166000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 166000 ~ 175999 (Count: 10,000) Example: +420-377-166000 / 00420-377-166000 (377-166000 / -377-166000) +420-377-166001 / 00420-377-166001 (377-166001 / -377-166001) +420-377-166002 / 00420-377-166002 (377-166002 / -377-166002) +420-377-166003 / 00420-377-166003 (377-166003 / -377-166003) +420-377-166004 / 00420-377-166004 (377-166004 / -377-166004) ...+420-377-xxxxxx / 00420-377-xxxxxx (377-xxxxxx / -377-xxxxxx) ...+420-377-175995 / 00420-377-175995 (377-175995 / -377-175995) +420-377-175996 / 00420-377-175996 (377-175996 / -377-175996) +420-377-175997 / 00420-377-175997 (377-175997 / -377-175997) +420-377-175998 / 00420-377-175998 (377-175998 / -377-175998) +420-377-175999 / 00420-377-175999 (377-175999 / -377-175999)