Do you put a comma after the state when are writing sentence?

You don't always need a comma after the state in a sentence. Here's a breakdown:

When you need a comma:

* When the state is followed by a zip code:

* Example: "I live in Chicago, Illinois 60601."

* When the state is part of a longer address:

* Example: "The company is located at 123 Main Street, Anytown, CA 91234."

* When the state is part of a longer, more complex sentence:

* Example: "I visited my grandparents in Seattle, Washington, last summer, and we went hiking in the mountains."

When you don't need a comma:

* When the state is at the end of a sentence:

* Example: "I was born in California."

* When the state is part of a simple sentence:

* Example: "The meeting is in Texas."

Exceptions:

* Using a comma for clarity: Sometimes, even if the state isn't followed by a zip code, you might use a comma for clarity, especially if the sentence is long and complex.

Ultimately, the decision to use a comma depends on the specific sentence and how it flows. Use your best judgment!