| Zip Code | City | State | County | Area Code | Time Zone | Latitude/Longitude | | 77320 | Huntsville | Texas | Walker | 936 | Central | 30.8344341354/-95.491596295 | | 77340 | Huntsville | Texas | Walker | 936 | Central | 30.7344/-95.5342 | | 77341 | Huntsville | Texas | Walker | 936 | Central | 30.7146373903/-95.54825958 | | 77342 | Huntsville | Texas | Walker | 936 | Central | 30.73/-95.55 | | 77343 | Huntsville | Texas | Walker | 936 | Central | 30.7344/-95.585 | | 77344 | Huntsville | Texas | Walker | 936 | Central | 30.7344/-95.585 | | 77348 | Huntsville | Texas | Walker | 936 | Central | 30.7344/-95.585 | | 77349 | Huntsville | Texas | Walker | 936 | Central | 30.7344/-95.585 |
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