Hanover Pennsylvania ZIP Codes

Hanover holds 5 ZIP codes, all inside one county and one postal prefix.

Every ZIP code in Hanover

The complete list of Hanover, Pennsylvania ZIP codes with the county each falls in.
ZIP code	County
17331	York County
17332	York County
17333	York County
17334	York County
17335	York 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Hanover codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Hanover. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Hanover ZIP code begins 173. Those first three digits identify the sectional center facility that processes mail for this part of Pennsylvania. Statewide that range covers 58 ZIP codes, so Hanover accounts for 9% of it.

Every Pennsylvania ZIP prefix and the region it covers →

Area codes covering Hanover

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 Hanover occupies.

Hanover Pennsylvania area codes in full →

Where Hanover's ZIP codes sit

Each point is one Hanover 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 Hanover

The closest places to Hanover with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Abbottstown Pennsylvania ZIP codes	4.9 mi	1 ZIP code
New Oxford Pennsylvania ZIP codes	5.2 mi	1 ZIP code
Littlestown Pennsylvania ZIP codes	7.1 mi	1 ZIP code
Jefferson Pennsylvania ZIP codes	7.5 mi	1 ZIP code
Spring Grove Pennsylvania ZIP codes	7.9 mi	1 ZIP code
East Berlin Pennsylvania ZIP codes	8.6 mi	1 ZIP code
Seven Valleys Pennsylvania ZIP codes	12 mi	1 ZIP code
Gettysburg Pennsylvania ZIP codes	13 mi	1 ZIP code

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