Postal entity record
US 98278 Postal Code Data Source-backed
98278 postal code facts for Oak Harbor, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceOak Harbor
RegionWA
Nearby rows12
Key metadata
| Place | Oak Harbor |
|---|---|
| Admin area | Washington / WA |
| Local area | Island |
| Coordinates | 48.3402, -122.6695 |
| GeoNames accuracy | 4 |
| Source | GeoNames postal code data |
| License | GeoNames postal data; provided as-is with attribution required. |
| Snapshot date | 2026-06-02 |
What this record means
This row links US 98278 to Oak Harbor, the available admin area, centroid coordinates, source accuracy, and source snapshot metadata.
Use it as a reference-data join for cleaning CRM rows, grouping operational reports, preparing territory QA, or checking whether an imported postal value has a source-backed match.
What the centroid can support
The latitude and longitude represent a postal centroid from the source snapshot. They are useful for approximate map previews, nearby-record review, deduplication checks, and distance-based QA.
They should not be treated as an official delivery boundary, address-level geocode, tax boundary, or service-area guarantee.
Sample CSV enrichment output
| Input field | Added output | Example value |
|---|---|---|
| postal_code | matched_place | Oak Harbor |
| postal_code | admin_area | Washington |
| postal_code | centroid | 48.3402, -122.6695 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 98277 | Oak Harbor | Washington | 2.3 mi |
| 98257 | La Conner | Washington | 7.9 mi |
| 98239 | Coupeville | Washington | 8.4 mi |
| 98221 | Anacortes | Washington | 11.2 mi |
| 98282 | Camano Island | Washington | 13.2 mi |
| 98261 | Lopez Island | Washington | 14.4 mi |
| 98238 | Conway | Washington | 14.9 mi |
| 98292 | Stanwood | Washington | 16.5 mi |
| 98222 | Blakely Island | Washington | 16.6 mi |
| 98253 | Greenbank | Washington | 17.1 mi |
| 98368 | Port Townsend | Washington | 17.3 mi |
| 98233 | Burlington | Washington | 18.1 mi |