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661 area code is located in California. California has area codes of 209 , 559 , 916 , 213 , 310 , 323 , 562 , 626 , 805 , 818
The following is the cities / towns that use 661 area code.
The following map shows the locations of 661 area code. This map has zip code level precision. Each dot on the map represents one zip code that use 661 as area code.