There was no such thing in the 1800s.
The country code and area code of Central, Timor-Leste is 670, 3.
The country code and area code of Central region, Togo is 228, 5.
The country code and area code of Central Jordan, Jordan is 962, (0)5.
The country code and area code of Central East Australia, Australia is 61, (0)2.
The country code and area code of Central and East Suriname, Suriname is 597, (0)3.
12 is the actual area code for the Kampala Central Division County.
Area code 769 is an overlay on the 601 area code in central Mississippi, including Jackson and Hattiesburg. There are dozens of carriers serving that area.
That area code covers the central and northern parts of Louisiana.
Area code 574 is South Bend, Indiana, and surrounding areas of north central Indiana.
Area code 715 is in Wisconsin, in the Central Time Zone (CST in winter, CDT in summer).
The country prefix for dialling New Zealand is 64. After that you will need the city or regional code the the subscriber's number.
Area code 321 is in central Florida, including Melbourne and Orlando. It includes numerous ZIP Codes.