Laravel route not defined error when it is clearly defined

I am trying to handle a basic form with laravel and am running in to an issue where my POST route isn't being detected and is resulting in a route not defined error in the blade template. My goal is to resolve this error and post the form to the controller, then access the various form fields with the $request param.

This is the error: Route [become-a-customer] not defined.

I appreciate any suggestions on how to resolve this.

Form

             <form action="" method="post" class="col-md-8 offset-md-2">
                <div class="form-row">
                    <div class="form-group col-md-6">
                        <label for="first_name">First Name</label>
                        <input name="last_name" type="email" class="form-control" id="first_name" placeholder="First Name">
                    </div>
                    ...
                </div>
                <input type="hidden" name="_token " value="" />
                <button type="submit" class="btn">SUBMIT</button>
            </form>

web.php

Route::post('/become-a-customer', 'BecomeACustomerFormController@postBecomeACustomer');

BecomeACustomerController.php

class BecomeACustomerFormController extends Controller
{
    public function postBecomeACustomer(Request $request) {
        $firstName = $request['first_name'];
        $lastName = $request['last_name'];
        ...
        ...
        return redirect()->back();
    }
}

via Chebli Mohamed