County ZIP codes · North Carolina · FIPS 37071
Gaston County, NC ZIP Codes
Gaston County, North Carolina has 20 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 17 residential and 3 for PO boxes or a single organization. 14 of the residential ones lie mainly in Gaston County and 3 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $49,643 in 28052 to $90,427 in 28056 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Gaston 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 $60,984 and $78,231.
They carry 15 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 17 residential ZIP codes in Gaston County
14 ZIP codes lie mainly in Gaston County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 28054 | Gastonia | 41,707 | 2,157 | $61k | $245k | 100% |
| 28052 | Gastonia | 36,272 | 876 | $50k | $188k | 100% |
| 28056 | Gastonia | 36,200 | 750 | $90k | $315k | 100% |
| 28012 | Belmont | 26,556 | 974 | $83k | $374k | 100% |
| 28120 | Mount Holly | 25,805 | 823 | $78k | $322k | 100% |
| 28034 | Dallas | 18,979 | 416 | $62k | $257k | 100% |
| 28164 | Stanley | 16,874 | 411 | $80k | $310k | 63% |
| 28021 | Cherryville | 13,865 | 236 | $63k | $217k | 44% |
| 28016 | Bessemer City | 13,109 | 305 | $57k | $223k | 100% |
| 28098 | Lowell | 3,851 | 1,058 | $53k | $202k | 100% |
| 28032 | Cramerton | 2,869 | 1,383 | $61k | $277k | 100% |
| 28006 | Alexis | 1,518 | 330 | $52k | $235k | 52% |
| 28101 | McAdenville | 898 | 1,761 | $111k | $365k | 100% |
| 28077 | High Shoals | 258 | 442 | $31k | $313k | 100% |
Partly in Gaston County
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?
6 ZIP codes of Gaston County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Gaston | Elsewhere |
|---|---|---|
| 28092 | 8% | Lincoln County 88%; Catawba County 5% |
| 28086 | 26% | Cleveland County 74% |
| 28164 | 63% | Lincoln County 37% |
| 28021 | 44% | Lincoln County 33%; Cleveland County 24% |
| 28033 | 37% | Lincoln County 63% |
| 28006 | 52% | Lincoln County 48% |
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 Gaston County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Gaston County's ZIP codes use 2 prefixes: 280 and 281.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.