South Hill ZIP Coverage
The working postal set for South Hill consists of 98373, 98374 and 98375. Official static sources did not provide a clean neighborhood-by-neighborhood boundary list, so the coverage table states only what the inspected sources support. The USPS address tool remains the authority for one delivery address, while the Pierce County ZIP dataset supplies mapped county context.
| ZIP | Supported Area Label | Post Office | South Hill Search Note |
|---|---|---|---|
| 98373 | South Hill and Puyallup postal area | South Hill Post Office, 13516 Meridian E | Verify the delivery boundary by exact address |
| 98374 | Broader South Hill and Puyallup postal area | No distinct retail station located in official sources | Use USPS and the county ZIP map |
| 98375 | Wider South Hill and Puyallup postal area | No distinct retail station located in official sources | Postal city and municipal boundary may differ |
This South Hill ZIP code directory does not assign unofficial neighborhood names to those rows. A ZIP is a mail-routing geography. It can cross the edge of a census place, a planning area or a municipal limit, and a single postal city label can serve addresses under different local governments.
Verify South Hill ZIP Codes
The USPS ZIP Code Lookup offers three routes. By Address resolves one delivery address. By City and State returns ZIP information tied to a postal city. Cities by ZIP Code works in reverse. The address route is the best choice when 98373, 98374 and 98375 overlap the broader Puyallup label.
| USPS Mode | Fields and Use |
|---|---|
| By Address | Company optional; street required; unit optional; city and state required; ZIP optional |
| By City and State | City and state required, then Find |
| Cities by ZIP Code | ZIP required, then Find |
A USPS result validates mail formatting and the recognized postal city. It does not prove that a person or company occupies the address. Nor does it decide whether the parcel is inside Puyallup. Those questions belong to county property and jurisdiction tools.
The official lookup screen shows the three distinct search tabs.
Choosing the address tab first prevents a broad postal label from being treated as a precise boundary.
South Hill Post Office Facts
The South Hill Post Office is at 13516 Meridian E, Puyallup, WA 98373-9997. USPS lists 253-435-1148, retail hours from 8:30 a.m. to 5:30 p.m. weekdays, Saturday from 9 a.m. to 3 p.m., Sunday closed, and 24-hour self-service. Those details describe a facility, not the outer line of ZIP 98373.
The facility's name also does not establish a South Hill city government. South Hill is an unincorporated Pierce County census-designated place and community. Mailing conventions use Puyallup broadly, so the office name, ZIP, postal city and municipal jurisdiction must remain separate fields.
Postal fact. A post office location helps with mail service, but it does not define who governs every address in its ZIP.
Map South Hill ZIP Polygons
Pierce County publishes a ZIP Codes Open Data dataset with search, filter and export controls. Use it for county polygon context. PublicGIS adds site-address, intersection, parcel-number and place searches with parcel and political-boundary layers. Neither inspected interface supplied a verified prose list assigning every South Hill street to one ZIP.
The dataset view below is useful precisely because it keeps postal polygons in a map context.
After locating a polygon, check the exact address in USPS and the parcel in PublicGIS rather than copying a nearby label onto the property.
Find South Hill Residents by ZIP
Official systems do not share one ZIP-wide search switch. USPS accepts address, city/state or ZIP input. Washington Unclaimed Property accepts last or business name, first name, city, ZIP and property ID, but a possible match does not prove present residence. ATIP is address, parcel or taxpayer first. PublicGIS is address and parcel first. The voter portal authenticates one individual rather than publishing ZIP results.
- Enter the full delivery address in USPS. Save the standardized form, postal city and returned ZIP code.
- Search that address in Pierce ATIP or PublicGIS. Record the parcel number, situs address and jurisdiction while keeping the mailing address separate.
- If voter data is needed, let the voter use the state portal or ask Pierce Elections about a lawful file request by specified geography and fields.
- Use a name-and-ZIP source only as a lead. Confirm identity with another official record and its date.
Once the search narrows to a named road, the South Hill street directory explains the address and parcel route without turning a ZIP into a street boundary.
South Hill Portals and ZIP Fields
Portal limits are as useful as portal fields. ATIP has one text box for parcel number, address or taxpayer. It does not expose a separate ZIP filter. Its result may display city, state and ZIP for a situs or mailing address, but those values serve different roles. The parcel number is the steadier key for county property work.
| Official Source | ZIP Input | Better Search Key | What the Result Means |
|---|---|---|---|
| USPS Lookup | Yes | Exact delivery address | Postal formatting and ZIP |
| Pierce ATIP | No separate field | Address, parcel or taxpayer | Property and taxpayer record |
| PublicGIS | No documented direct mode | Address or parcel | Mapped parcel and jurisdiction context |
| Voter Portal | No | Voter's name and birth date | Authenticated individual view |
| WA Unclaimed Property | Yes | Name plus city or ZIP | Possible property match |
A public voter-file request may specify geography if Elections supports the requested form, but no current official form was located that promises a ZIP filter or quoted delivery fee. Ask Pierce Elections for current fields, format, lawful-use terms and reproduction cost.
South Hill Growth by Geography
South Hill's 2020 census-designated-place count was 64,708, up from 52,431 in 2010. The county planning area is described as about 19 square miles, while Census QuickFacts gives the CDP 18.59 square miles. Those figures measure defined planning or statistical areas, not the combined population of the three ZIP codes.
Rapid growth makes source dates important. A county ZIP polygon, census boundary, postal result and old directory can each be correct for its own date and purpose. Do not add their populations or treat the latest map as proof of an earlier address label. Preserve the year and geography beside every figure.
Historic address work also reaches beyond modern postal labels. State Library catalogs contain Puyallup directory runs, and older volumes may describe the broader trade area rather than today's census place. The printed street and year are stronger evidence than a ZIP added later. If the number or road name no longer matches, compare a subdivision plat, the parcel's legal description, historic maps, and nearby directory years. No official South Hill-wide renumbering date was found, so a gap should remain a gap until county addressing staff or a dated source resolves it.
Population figures need the same care. A count for the South Hill CDP cannot be assigned across 98373, 98374 and 98375 without data drawn on those postal boundaries. Nor can a ZIP total be called the population of South Hill. The clean method labels each number with its agency, boundary and census year. That makes change visible without creating a false local total.
South Hill ZIP Boundary Limits
A Puyallup postal label does not establish City of Puyallup jurisdiction. South Hill is unincorporated, and its census, planning, postal and parcel geographies overlap without becoming identical. This is the central boundary rule of the South Hill ZIP code directory. Verify mail with USPS, property jurisdiction with Pierce County, and a court or election district with the office that maintains it.
The legal description, situs and mailing address answer different questions. A deed uses parties and a legal description. ATIP ties an assessor account to a parcel, situs and taxpayer mailing field. USPS serves a delivery point. A voter record uses registration address and precinct. Historical directories preserve the printed address used in one year. Neighboring parcels may share a ZIP while differing in other districts.
- ZIP and ZIP+4
- A five-digit delivery area and its four-digit finer routing add-on.
- PO-box ZIP
- A ZIP assigned to post-office boxes rather than ordinary street delivery.
- Unique ZIP
- A ZIP assigned to one high-volume organization or institution.
- Carrier route
- The set of delivery points served by one postal route.
No official source inspected identified 98373, 98374 or 98375 as a PO-box-only or unique ZIP. Those terms explain postal categories, not local claims. When an old South Hill address fails, compare the printed address with plats, legal descriptions, historic Puyallup directories and maps rather than inventing a ZIP realignment or street-renumbering year.
A good source note records the address exactly as entered, the standardized USPS result, the date checked, and the parcel number returned by Pierce County. If two sources disagree, do not silently choose one. The postal service may have normalized a delivery label while the assessor preserves a situs field or an owner mailing address. Ask the office responsible for the disputed field to explain or correct it. This record-by-record method takes longer than searching a broad ZIP list, but it produces a clear, reliable trail that another reader can check again later.