County ZIP codes · Texas · FIPS 48375
Potter County, TX ZIP Codes
Potter County, Texas has 28 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 12 for PO boxes or a single organization. 11 of the residential ones lie mainly in Potter County and 5 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $39,920 in 79104 to $112,541 in 79124 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Potter County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $51,125 and $74,659.
They carry 5 postal town names: Amarillo, Fritch, Boys Ranch, Wildorado, Masterson.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 16 residential ZIP codes in Potter County
11 ZIP codes lie mainly in Potter County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 79107 | Amarillo | 36,662 | 1,868 | $41k | $93k | 100% |
| 79106 | Amarillo | 26,161 | 3,046 | $60k | $174k | 90% |
| 79124 | Amarillo | 12,019 | 66 | $113k | $362k | 98% |
| 79103 | Amarillo | 11,306 | 2,645 | $58k | $132k | 50% |
| 79108 | Amarillo | 11,216 | 61 | $67k | $163k | 99% |
| 79102 | Amarillo | 9,393 | 3,447 | $51k | $153k | 100% |
| 79104 | Amarillo | 6,561 | 2,161 | $40k | $94k | 100% |
| 79101 | Amarillo | 2,526 | 1,582 | $48k | $168k | 100% |
| 79111 | Amarillo | 1,575 | 141 | $71k | – | 100% |
| 79010 | Boys Ranch | 616 | 4 | – | – | 71% |
| 79058 | Masterson | no residents | 0 | – | – | 69% |
Partly in Potter County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 79109 | Amarillo | 43,578 | 4,226 | $70k | $223k | 21% |
| 79121 | Amarillo | 6,437 | 3,672 | $75k | $288k | 16% |
| 79118 | Amarillo | 28,107 | 176 | $88k | $235k | 6% |
| 79036 | Fritch | 5,007 | 63 | $90k | $132k | 5% |
| 79098 | Wildorado | 576 | 3 | $70k | $171k | 2% |
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?
11 ZIP codes of Potter County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Potter | Elsewhere |
|---|---|---|
| 79109 | 21% | Randall County 79% |
| 79118 | 6% | Randall County 93% |
| 79106 | 90% | Randall County 10% |
| 79124 | 98% | Randall County 2% |
| 79103 | 50% | Randall County 50% |
| 79108 | 99% | Carson County 1% |
| 79121 | 16% | Randall County 84% |
| 79036 | 5% | Carson County 67%; Hutchinson County 25%; Moore County 3% |
| 79010 | 71% | Oldham County 29% |
| 79098 | 2% | Deaf Smith County 46%; Oldham County 36%; Randall County 15% |
| 79058 | 69% | Moore County 31% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Potter County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Potter County's ZIP codes use 2 prefixes: 790 and 791.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.