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Sumner Nebraska ZIP Codes

Sumner holds a single ZIP code.

Every ZIP code in Sumner

The complete list of Sumner, Nebraska ZIP codes with the county each falls in.
ZIP codeCounty
68878Dawson County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Sumner codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Sumner. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Sumner ZIP code begins 688. Those first three digits identify the sectional center facility that processes mail for this part of Nebraska. Statewide that range covers 66 ZIP codes, so Sumner accounts for 2% of it.

Every Nebraska ZIP prefix and the region it covers →

Area codes covering Sumner

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Sumner occupies.

Sumner Nebraska area codes in full →

Where Sumner's ZIP codes sit

Each point is one Sumner ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Sumner

The closest places to Sumner with their own ZIP code list, nearest first.
CityDistanceZIP codes
Miller Nebraska ZIP codes6.3 mi1 ZIP code
Eddyville Nebraska ZIP codes7.5 mi1 ZIP code
Overton Nebraska ZIP codes15 mi1 ZIP code
Amherst Nebraska ZIP codes15 mi1 ZIP code
Lexington Nebraska ZIP codes17 mi1 ZIP code
Elm Creek Nebraska ZIP codes17 mi1 ZIP code
Oconto Nebraska ZIP codes19 mi1 ZIP code
Riverdale Nebraska ZIP codes22 mi1 ZIP code

Straight-line distance between place reference points, not driving distance.