Our database for ZIP Code 21228, Maryland Definition - Direct Marketing Glossary contains 1,799 businesses and 18,850 consumers. We can help you build a custom mailing list for ZIP Code 21228 using selects and your own criteria. Contact us today to get started.
| ZIP Code | Consumer Count | Business Count |
|---|---|---|
| 21228 | 18,850 | 1,799 |
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