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County ZIP codes · Nebraska · FIPS 31009

Blaine County, NE ZIP Codes

Blaine County, Nebraska has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Blaine County and 1 mainly in a neighboring county; 3 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Blaine County?

68813 · Anselmo: $73k68821 · Brewster: –68833 · Dunning: $63k69157 · Purdum: $96k6881368833691576882168813 · Anselmo: $73k68821 · Brewster: –68833 · Dunning: $63k69157 · Purdum: $96k6881368833691576882168813 · Anselmo: $73k68821 · Brewster: –68833 · Dunning: $63k69157 · Purdum: $96k68813688336915768821
The residential ZIP codes of Blaine 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).

All 4 residential ZIP codes in Blaine County

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

Residential ZIP codes mainly in Blaine County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
68833 Dunning 148 0 $63k $104k 69%
69157 Purdum 99 1 $96k – 71%
68821 Brewster 89 1 – $184k 100%

Partly in Blaine County

Residential ZIP codes mainly in another county that reach at least 1% into Blaine County, by their share here
In this county
68813 Anselmo 518 1 $73k $263k 25%

Download the 4 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 Blaine County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Blaine County and in the neighboring counties
ZIPIn BlaineElsewhere
6881325%Custer County64%; Loup County11%
6883369%Custer County24%; Logan County7%
6915771%Brown County21%; Cherry County8%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Blaine County's ZIP codes use 2 prefixes: 688 and 691.

Three-digit prefixes of Blaine 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 Blaine County's
PrefixSectional centerHereAll codes
688Lincoln, NE (SCF 683)366
691North Platte, NE (SCF 691)147

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