There are about 300 area codes in the United States, about 30 in Canada, and about 20 in other miscellaneous islands in or near the Caribbean that share country code +1 with the US and Canada.
There are about 400 area codes in Mexico.
There are about 600 area codes in the UK.
There are about 5,200 area codes in Germany.
six area codes: 928 602 623 480 520
There are currently 10 area codes in Ohio. When Ohio needs more area codes they will introduce an eleventh area code for the Columbus/Central Ohio area and a twelfth area code for the Cincinnati region.
about 23
26
There are many area code listings on the internet.
the only area code is 605
One: 802
As of 2012, Maryland has five area codes. The southern/western area, including the Washington suburbs, plus Frederick, Hagerstown, and Cumberland, is area codes 301 and 240. The northern/eastern area, including Baltimore, Annapolis, and the Delmarva Peninsula, is area codes 410, 443, and 667.
A Texas telephone call will have a prefix with it's area code in it. Texas has many area codes. Below are some of the area codes.210214254281325361409430432469512682713806817830832903915936940956972979
The whole point of area codes is that the same prefix can exist in many different area codes, so there is no possible way to answer your question.
one: 401.
one: 603