Caldwell County, Texas ZIP codes
7ZIP codes
7Cities and towns
48,637People in ZIP areas
512, 737, 830Area codes
Caldwell County is in Texas and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Caldwell County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 78616 | Dale | Standard | 10,683 | $64,715 |
| 78622 | Fentress | PO Box only | 331 | – |
| 78644 | Lockhart | Standard | 22,348 | $74,709 |
| 78648 | Luling | Standard | 7,863 | $57,621 |
| 78655 | Martindale | Standard | 3,730 | $55,952 |
| 78656 | Maxwell | Standard | 2,847 | $81,346 |
| 78661 | Prairie Lea | PO Box only | 835 | $82,896 |
Cities and towns in Caldwell County
- Dale 1 ZIP
- Fentress 1 ZIP
- Lockhart 1 ZIP
- Luling 1 ZIP
- Martindale 1 ZIP
- Maxwell 1 ZIP
- Prairie Lea 1 ZIP
Area codes in Caldwell County
Questions
- How many ZIP codes are in Caldwell County, TX?
- Caldwell County has 7 ZIP codes, 5 of them standard ZIP codes for street addresses.
- What cities are in Caldwell County?
- Caldwell County ZIP codes cover Dale, Fentress, Lockhart, Luling, Martindale, Maxwell and Prairie Lea.
- What area code is Caldwell County, TX?
- Caldwell County uses area codes 512, 737 and 830.
- What time zone is Caldwell County in?
- Caldwell County is in Central Time.
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