What state has the most telephone area codes? The state of California has the largest number of US state area codes, 36 of them! Texas has the second most with 27 and Florida has 18 different area codes.What states have area code? The states using the most area codes are Texas which is currently using 24 area codes, California 26 area codes, Florida 16 area codes, and New York 14 area codes.How do you find area codes? How to Find an Area Code. Much like with a zip code, you can use a search engine to find an area code by searching for the city. Or, to do the reverse and figure out what part of the country an area code is related to, just enter the area code into the search engine.How to find area code?
From Pasadena to Palo Alto, callers in nine California area codes will be required to use 10-digit dialing when making phone calls beginning Sunday. The changes, which will affect thousands of California residents, stem from federal rules that will make it easier for callers to reach crisis resources. Callers who have a 988 exchange or "central