What city is ZIP code 78338?

78338 is a Armstrong, Texas ZIP code.

What county is 78338 in?

ZIP code 78338 is in Kenedy County, Texas.

What time zone is ZIP code 78338 in?

78338 is in the Central Time zone (America/Chicago).

What area code is 78338?

Phone numbers in ZIP code 78338 use area codes 361 and 956.

What is the population of ZIP code 78338?

About 36 people live in ZIP code 78338, according to the Census Bureau’s American Community Survey (2020–2024).

Can I use 78338 for a street address?

No. 78338 is only for PO Boxes. Street addresses in Armstrong use another ZIP code.

What ZIP codes are near 78338?

The nearest ZIP codes to 78338 are 78385 (Sarita, 20.1 miles), 78353 (Encino, 26.3 miles), 78590 (San Perlita, 26.7 miles) and 78580 (Raymondville, 27 miles).

ZIP code 78338

Where is ZIP code 78338?

Armstrong, Texas

Kenedy County · PO Box only ZIP code

ZIP code 78338 belongs to Armstrong, Texas in Kenedy County. 78338 is a PO Box only ZIP code: it is used for post office boxes at the Armstrong post office, not for street addresses. It is in the Central Time zone and uses area codes 361 and 956. About 36 people live in the 78338 area. The closest ZIP codes are 78385 (Sarita, 20.1 mi north), 78353 (Encino, 26.3 mi west) and 78590 (San Perlita, 26.7 mi south).

ZIP code	78338
Type	PO Box only (no street delivery)
Status	Active
City	Armstrong
State	Texas (TX)
County	Kenedy County
Time zone	Central Time · now
Area codes	361, 956
Coordinates	26.8698, -97.7698 map
3-digit prefix	783

Population and income in 78338

Population	36 · lower than 98% of Texas ZIP codes
People per square mile	1 · lower than 97% of Texas ZIP codes
Median age	35.1 years · lower than 69% of Texas ZIP codes
Men / women	53% / 47%
Income per person	$0
Below the poverty line	0.0%
Bachelor’s degree or higher	0.0% of adults 25+
Housing units	10
Households	7 (5.14 people on average)
Owners / renters	0.0% / 100%
Land area	51.69 sq mi (plus 0.01 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78338. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 78338

ZIP code	City	Distance	Type
78385	Sarita, TX	20.1 mi N	PO Box only
78353	Encino, TX	26.3 mi W	Standard
78590	San Perlita, TX	26.7 mi S	PO Box only
78580	Raymondville, TX	27 mi S	Standard
78561	Lasara, TX	29.3 mi S	PO Box only
78598	Port Mansfield, TX	30.4 mi SE	PO Box only
78379	Riviera, TX	31.2 mi N	Standard
78569	Lyford, TX	31.9 mi S	Standard
78549	Hargill, TX	32.4 mi SW	PO Box only
78542	Edinburg, TX	33.5 mi SW	Standard
78355	Falfurrias, TX	33.5 mi NW	Standard
78563	Linn, TX	34 mi SW	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78338 or measure the distance to another ZIP code.

How to address mail to 78338

JANE SMITH
PO BOX 123
ARMSTRONG TX 78338

Put the city, the two-letter state code and the ZIP code on the last line. Avoid Norias and Rudolph: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (78338-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 78338?: 78338 is a Armstrong, Texas ZIP code.
What county is 78338 in?: ZIP code 78338 is in Kenedy County, Texas.
What time zone is ZIP code 78338 in?: 78338 is in the Central Time zone (America/Chicago).
What area code is 78338?: Phone numbers in ZIP code 78338 use area codes 361 and 956.
What is the population of ZIP code 78338?: About 36 people live in ZIP code 78338, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 78338 for a street address?: No. 78338 is only for PO Boxes. Street addresses in Armstrong use another ZIP code.
What ZIP codes are near 78338?: The nearest ZIP codes to 78338 are 78385 (Sarita, 20.1 miles), 78353 (Encino, 26.3 miles), 78590 (San Perlita, 26.7 miles) and 78580 (Raymondville, 27 miles).