There are various countries that might have 077 as an area code for domestic calls, or that have area codes beginning with 077. You need to be more specific.
where is area code 077
The country code and area code of Ilocos Sur, Philippines is 63, (0)77.
The code 007 is used to dial out of the countries Cambodia, Colombia, and Indonesia.
There is no such geographic area code in the UK. All UK geographic area codes start with 01 or 02. Numbers beginning 074, 075, 07624, 077, 078 and 079 are for mobile phones.
The telephone country code for Vietnam is +84. The area code for Bac Giang is 0240, or +84 240 in international format.
.077 as a percent = 7.7%
The area code "258" is currently an unassigned area code. The closest area code to area code "258", is area code "260", which is assigned to the state of Indiana.
The area code (832) is for the state of Texas. Within that area code there are 44 cities. You cannot determine a zip code by area code.
Area code 914.
Telephone country codes never begin with zero, and there is no country code +77. Country code +7 is Russia and Kazakhstan, and a number beginning with +7 7xx is in Kazakhstan. See the related question for more information.
Newark, NJ, is in area code 973, with overlay code 862.
The country code and area code of ChillÌÁn, Chile is 56, 42.