Markham zip code
Zip code in Markham, TX
The location Markham belongs to Matagorda County, state of Texas. Markham has been assigned with the zip code 77456.
Markham is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 77456 | PO BOX | 1,236 |
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