Beaver Dam Kentucky ZIP Codes

Beaver Dam holds a single ZIP code.

Every ZIP code in Beaver Dam

The complete list of Beaver Dam, Kentucky ZIP codes with the county each falls in.
ZIP codeCounty
42320Ohio 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Beaver Dam codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Beaver Dam. 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 Beaver Dam ZIP code begins 423. Those first three digits identify the sectional center facility that processes mail for this part of Kentucky. Statewide that range covers 45 ZIP codes, so Beaver Dam accounts for 2% of it.

Every Kentucky ZIP prefix and the region it covers →

Area codes covering Beaver Dam

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 Beaver Dam occupies.

Beaver Dam Kentucky area codes in full →

Where Beaver Dam's ZIP codes sit

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

Cities near Beaver Dam

The closest places to Beaver Dam with their own ZIP code list, nearest first.
CityDistanceZIP codes
Hartford Kentucky ZIP codes3.5 mi1 ZIP code
Centertown Kentucky ZIP codes6.8 mi1 ZIP code
Rockport Kentucky ZIP codes7.8 mi1 ZIP code
Rochester Kentucky ZIP codes14 mi1 ZIP code
Island Kentucky ZIP codes15 mi1 ZIP code
South Carrollton Kentucky ZIP codes15 mi1 ZIP code
Livermore Kentucky ZIP codes16 mi1 ZIP code
Central City Kentucky ZIP codes16 mi1 ZIP code

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