Area Code +420-255-(700000...737999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 255 Subscriber Number From : 700000 Subscriber Number To : 737999 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 : GTS Czech s.r.o. 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 : PR Region Name : Prague City : All locations Timezone : Europe/Prague Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.0900 Longitude : 14.4200 ‹ previous : +420-255-(555000...555999) next › : +420-255-(739000...797999) Dialling Instructions For trunk calls: - 255 700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 255 700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 700000 ~ 737999 (Count: 38,000) Example: +420-255-700000 / 00420-255-700000 (255-700000 / -255-700000) +420-255-700001 / 00420-255-700001 (255-700001 / -255-700001) +420-255-700002 / 00420-255-700002 (255-700002 / -255-700002) +420-255-700003 / 00420-255-700003 (255-700003 / -255-700003) +420-255-700004 / 00420-255-700004 (255-700004 / -255-700004) ...+420-255-xxxxxx / 00420-255-xxxxxx (255-xxxxxx / -255-xxxxxx) ...+420-255-737995 / 00420-255-737995 (255-737995 / -255-737995) +420-255-737996 / 00420-255-737996 (255-737996 / -255-737996) +420-255-737997 / 00420-255-737997 (255-737997 / -255-737997) +420-255-737998 / 00420-255-737998 (255-737998 / -255-737998) +420-255-737999 / 00420-255-737999 (255-737999 / -255-737999)