County ZIP codes · North Carolina · FIPS 37117

Martin County, NC ZIP Codes

Martin County, North Carolina has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 8 of the residential ones lie mainly in Martin County and 3 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $46,172 in 27871 (Robersonville) to $53,268 in 27812 (Bethel) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Martin County?

The residential ZIP codes of Martin 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?

27871 · $46k 27812 · $53k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $46,172 and $53,179.

They carry 11 postal town names.

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

All 11 residential ZIP codes in Martin County

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

Residential ZIP codes mainly in Martin County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
27892	Williamston	13,262	72	$48k	$114k	100%
27871	Robersonville	3,471	36	$46k	$114k	72%
27846	Jamesville	3,022	32	$55k	$99k	100%
27857	Oak City	1,099	15	$61k	$85k	100%
27840	Hamilton	306	55	$38k	$62k	100%
27861	Parmele	120	260	$29k	$75k	100%
27825	Everetts	100	269	$44k	$76k	100%
27841	Hassell	45	169	$22k	–	100%

Partly in Martin County

Residential ZIP codes mainly in another county that reach at least 1% into Martin County, by their share here
						In this county
27843	Hobgood	876	14	$69k	$103k	33%
27812	Bethel	2,188	37	$53k	$113k	8%
27889	Washington	24,371	138	$53k	$194k	2%

Download the 11 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?

4 ZIP codes of Martin County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Martin County and in the neighboring counties
ZIP	In Martin	Elsewhere
27889	2%	Beaufort County 90%; Pitt County 8%
27871	72%	Pitt County 27%
27812	8%	Pitt County 65%; Edgecombe County 27%
27843	33%	Edgecombe County 35%; Halifax County 32%

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

Which first three digits do Martin 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 Martin County starts with 278.

Three-digit prefixes of Martin 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 Martin County's
Prefix	Sectional center	Here	All codes
278	Rocky Mount, NC (SCF 278)	11	93

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