Area Code +420-277-(770000...779999) located in All locations, Prague (PR), more detail is as below. Place International Dialing Code : 420 International Prefix : 00 National Destination Code : 277 Subscriber Number From : 770000 Subscriber Number To : 779999 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 : Vodafone 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 : 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 : +420-277-(277000...279999) next › : +420-280-(280000...280999) Dialling Instructions For trunk calls: - 277 770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 420 277 770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 770000 ~ 779999 (Count: 10,000) Example: +420-277-770000 / 00420-277-770000 (277-770000 / -277-770000) +420-277-770001 / 00420-277-770001 (277-770001 / -277-770001) +420-277-770002 / 00420-277-770002 (277-770002 / -277-770002) +420-277-770003 / 00420-277-770003 (277-770003 / -277-770003) +420-277-770004 / 00420-277-770004 (277-770004 / -277-770004) ...+420-277-xxxxxx / 00420-277-xxxxxx (277-xxxxxx / -277-xxxxxx) ...+420-277-779995 / 00420-277-779995 (277-779995 / -277-779995) +420-277-779996 / 00420-277-779996 (277-779996 / -277-779996) +420-277-779997 / 00420-277-779997 (277-779997 / -277-779997) +420-277-779998 / 00420-277-779998 (277-779998 / -277-779998) +420-277-779999 / 00420-277-779999 (277-779999 / -277-779999)