County ZIP codes · Texas · FIPS 48117

Deaf Smith County, TX ZIP Codes

Deaf Smith County, Texas has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Deaf Smith County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $60,543 in 79045 (Hereford) to $83,068 in 79092 (Vega) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Deaf Smith County?

The residential ZIP codes of Deaf Smith County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

79045 · $61k 79092 · $83k

They carry 6 postal town names: Hereford, Friona, Vega, Wildorado, Adrian, Dawn.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 6 residential ZIP codes in Deaf Smith County

3 ZIP codes lie mainly in Deaf Smith County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Deaf Smith County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
79045	Hereford	18,189	16	$61k	$117k	84%
79098	Wildorado	576	3	$70k	$171k	46%
79025	Dawn	no residents	0	–	–	100%

Partly in Deaf Smith County

Residential ZIP codes mainly in another county that reach at least 1% into Deaf Smith County, by their share here
						In this county
79001	Adrian	168	0	$83k	$123k	35%
79035	Friona	5,391	8	$72k	$159k	30%
79092	Vega	1,361	4	$83k	$177k	16%

Download the 6 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

5 ZIP codes of Deaf Smith County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Deaf Smith County and in the neighboring counties
ZIP	In Deaf Smith	Elsewhere
79045	84%	Castro County 16%
79035	30%	Parmer County 70%
79092	16%	Oldham County 84%
79098	46%	Oldham County 36%; Randall County 15%; Potter County 2%
79001	35%	Oldham County 65%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Deaf Smith County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Deaf Smith County starts with 790.

Three-digit prefixes of Deaf Smith County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Deaf Smith County's
Prefix	Sectional center	Here	All codes
790	Amarillo, TX (SCF 790)	6	74

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.