We have provided the top 100 US ZIP codes sorted by highest population level, so that you can target heavily built up areas. You also have access to the top 100 wealthiest ZIP codes by income level, which is for marketing campaigns targeted towards high wealth individuals and companies in the United States.
Zip codes with highest population
Top 100 ZIP codes with highest population (click link to download .txt file)
Weathliest ZIP codes by income
Top 100 wealthiest ZIP codes by income (click link to download .txt file).
These .txt files can be imported into the list of place names to target when starting a new campaign.
Information extracted from official IRS figures.