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Seneca South Carolina ZIP Codes

Seneca holds 3 ZIP codes, all inside one county and one postal prefix.

Every ZIP code in Seneca

The complete list of Seneca, South Carolina ZIP codes with the county each falls in.
ZIP codeCounty
29672Oconee County
29678Oconee County
29679Oconee 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Seneca codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Seneca. 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 Seneca ZIP code begins 296. Those first three digits identify the sectional center facility that processes mail for this part of South Carolina. Statewide that range covers 88 ZIP codes, so Seneca accounts for 3% of it.

Every South Carolina ZIP prefix and the region it covers →

Area codes covering Seneca

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

Seneca South Carolina area codes in full →

Where Seneca's ZIP codes sit

Each point is one Seneca ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Seneca

The closest places to Seneca with their own ZIP code list, nearest first.
CityDistanceZIP codes
West Union South Carolina ZIP codes6.8 mi1 ZIP code
Westminster South Carolina ZIP codes7.2 mi1 ZIP code
Walhalla South Carolina ZIP codes8.0 mi1 ZIP code
Clemson South Carolina ZIP codes8.8 mi4 ZIP codes
Pendleton South Carolina ZIP codes11 mi1 ZIP code
Central South Carolina ZIP codes11 mi1 ZIP code
Six Mile South Carolina ZIP codes12 mi1 ZIP code
Norris South Carolina ZIP codes14 mi1 ZIP code

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