Add these 19,000 negative keywords to your Google Ads or you're wasting money. Every other city in America. Even with geotargeting set, your ads can still show up for searches in other cities.
Someone in Dallas searching Plumber Chicago can trigger your ad and you pay for the click. But don't actually type out 19,500 cities. Search US cities negative keyword list.
There are pre-built CSVs, they're free online. Download one and go to Google Ads. Under tools, hit shared library and exclusion lists and you can upload it there.
Done, and if you want our help, comment SEO.