Bostonia zip code
Zip code in Bostonia, CA
The location Bostonia belongs to San Diego County, state of California. Bostonia has been assigned with the zip code 92021.
The location name Bostonia is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use El Cajon, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 92021 | STANDARD | 62,780 |
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