What does 509 mean in US Phone Area Codes?

This page is about the meanings of the acronym/abbreviation/shorthand 509 in the Regional field in general and in the US Phone Area Codes terminology in particular.

Washington - Eastern

Regional » US Phone Area Codes


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"509." Abbreviations.com. STANDS4 LLC, 2017. Web. 19 Nov. 2017. <http://www.abbreviations.com/term/308959>.