| LC control no. | sh 99004092 |
|---|---|
| Topical heading | Zip codes |
| Variant(s) | Zip code Zip codes--United States Zone Improvement Program codes |
| See also | Postal codes--United States |
| Scope note | Here are entered works on the system of postal codes used in the United States since 1963. |
| Found in | Web. 3. Random House. American Heritage dict. |
| Invalid LCCN | sh 85149891 |
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