Plain

County ZIP codes · North Carolina · FIPS 37005

Alleghany County, NC ZIP Codes

Alleghany County, North Carolina has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Alleghany County and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $44,560 in 28675 (Sparta) to $53,384 in 28623 (Ennice) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Alleghany County?

28623 · Ennice: $53k28627 · Glade Valley: $47k28631 · Grassy Creek: –28644 · Laurel Springs: $53k28663 · Piney Creek: $81k28668 · Roaring Gap: –28675 · Sparta: $45k2867528644286272862328631286632866828623 · Ennice: $53k28627 · Glade Valley: $47k28631 · Grassy Creek: –28644 · Laurel Springs: $53k28663 · Piney Creek: $81k28668 · Roaring Gap: –28675 · Sparta: $45k2867528644286272862328631286632866828623 · Ennice: $53k28627 · Glade Valley: $47k28631 · Grassy Creek: –28644 · Laurel Springs: $53k28663 · Piney Creek: $81k28668 · Roaring Gap: –28675 · Sparta: $45k28675286442862728623286312866328668
The residential ZIP codes of Alleghany 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?

They carry 7 postal town names: Sparta, Ennice, Laurel Springs, Glade Valley, Piney Creek, Grassy Creek, Roaring Gap.

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

All 7 residential ZIP codes in Alleghany County

6 ZIP codes lie mainly in Alleghany County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Alleghany County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
28675 Sparta 6,745 63 $45k $215k 99%
28623 Ennice 1,814 61 $53k $171k 100%
28644 Laurel Springs 1,433 20 $53k $222k 54%
28627 Glade Valley 1,193 46 $47k $246k 100%
28663 Piney Creek 802 39 $81k $233k 100%
28668 Roaring Gap 40 3 – – 100%

Partly in Alleghany County

Residential ZIP codes mainly in another county that reach at least 1% into Alleghany County, by their share here
In this county
28631 Grassy Creek 684 29 – – 9%

Download the 7 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?

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

Share of each ZIP code's land in Alleghany County and in the neighboring counties
ZIPIn AlleghanyElsewhere
2867599%
2864454%Ashe County45%; Wilkes County1%
286319%Ashe County91%

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

Which first three digits do Alleghany 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 Alleghany County starts with 286.

Three-digit prefixes of Alleghany 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 Alleghany County's
PrefixSectional centerHereAll codes
286Charlotte, NC (SCF 282)790

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