ZIP code 78638
Where is ZIP code 78638?
Kingsbury, Texas
Guadalupe County · Standard ZIP code
ZIP code 78638 belongs to Kingsbury, Texas in Guadalupe County. 78638 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 512, 737 and 830. About 2,135 people live in the 78638 area, where the median household income is $69,250. The closest ZIP codes are 78661 (Prairie Lea, 6.2 mi northeast), 78622 (Fentress, 6.6 mi northeast) and 78670 (Staples, 6.8 mi north).
| ZIP code | 78638 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Kingsbury |
| State | Texas (TX) |
| County | Guadalupe County |
| Time zone | Central Time · now |
| Area codes | 512, 737, 830 |
| Coordinates | 29.6726, -97.8306 map |
| 3-digit prefix | 786 |
Population and income in 78638
| Population | 2,135 · lower than 65% of Texas ZIP codes |
|---|---|
| People per square mile | 18 · lower than 71% of Texas ZIP codes |
| Median age | 45.4 years · higher than 78% of Texas ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $69,250 · lower than 52% of Texas ZIP codes |
| Income per person | $40,200 |
| Below the poverty line | 8.4% |
| Bachelor’s degree or higher | 24% of adults 25+ |
| Median home value | $317,400 · higher than 77% of Texas ZIP codes |
| Median rent | $1,135 a month |
| Housing units | 819 |
| Households | 706 (3.02 people on average) |
| Owners / renters | 79% / 21% |
| Land area | 118.06 sq mi (plus 0.37 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78638. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78638
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78661 | Prairie Lea, TX | 6.2 mi NE | PO Box only |
| 78622 | Fentress, TX | 6.6 mi NE | PO Box only |
| 78670 | Staples, TX | 6.8 mi N | PO Box only |
| 78156 | Seguin, TX | 9.4 mi SW | PO Box only |
| 78648 | Luling, TX | 10.9 mi E | Standard |
| 78155 | Seguin, TX | 11.1 mi SW | Standard |
| 78655 | Martindale, TX | 11.6 mi N | Standard |
| 78604 | Belmont, TX | 13.6 mi SE | PO Box only |
| 78123 | Mc Queeney, TX | 13.8 mi W | Standard |
| 78130 | New Braunfels, TX | 15 mi W | Standard |
| 78658 | Ottine, TX | 15.3 mi E | PO Box only |
| 78115 | Geronimo, TX | 15.4 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78638 or measure the distance to another ZIP code.
How to address mail to 78638
123 MAIN ST
KINGSBURY TX 78638
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (78638-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78638?
- 78638 is a Kingsbury, Texas ZIP code.
- What county is 78638 in?
- ZIP code 78638 is in Guadalupe County, Texas.
- What time zone is ZIP code 78638 in?
- 78638 is in the Central Time zone (America/Chicago).
- What area code is 78638?
- Phone numbers in ZIP code 78638 use area codes 512, 737 and 830.
- What is the population of ZIP code 78638?
- About 2,135 people live in ZIP code 78638, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78638?
- The median household income in 78638 is $69,250 a year, lower than 52% of Texas ZIP codes.
- What ZIP codes are near 78638?
- The nearest ZIP codes to 78638 are 78661 (Prairie Lea, 6.2 miles), 78622 (Fentress, 6.6 miles), 78670 (Staples, 6.8 miles) and 78156 (Seguin, 9.4 miles).