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Postal Codes Solution
Every worldwide postal-code dataset in one bundle — the ultimate global reference for precise postal codes.
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About this dataset
Jersey (JE) — internal licensing notes
Status: NOT live, correctly gated. No clean path exists without contacting a rightsholder — and the human has instructed not to. Reviewed 2026-08-24 under datahub-next#941 §2.
Product identity
- R2
je/je.csvis 508 bytes — not a 0-row placeholder, but not a real product either (a small sample, not the full build). Nois_premium. Nothing meaningful is on sale. - The real build (3,235 rows) lives in
fedex-agents-prototype/countries/JEY/. NoJersey_Delivery/folder exists — never sold to a customer.
The issue's specific claim was wrong, but the real problem is worse
datahub-next#941 §2 said: "No parish/vingtaine boundary dataset found on
opendata.gov.je." False — verified directly: opendata.gov.je hosts a
2011-census vingtaine dataset (55 vingtaines with parish mapping) under
OGL-Jersey v1.0, which states plainly: "The Chief Minister offers the
information hosted on data.je for re-use… There is no need to apply for
licence." That layer is genuinely clean and contact-free.
But the actual build doesn't use that. Traced 2026-08-24: the real parish/
vingtaine polygons come from a Jersey Government ArcGIS FeatureServer
(services-eu1.arcgis.com/mUgkK1QjC37PAGmP/.../Parish_Boundaries and
.../Vingtaine_Boundaries). Queried its ?f=json metadata directly:
licenseInfo and copyrightText are both empty strings. No licence
declared at the source. Probably the same Jersey Government infrastructure as
the clean OGL-J portal — but that is an inference, not a confirmed fact, and
confirming it requires asking Jersey's GIS team, which is off the table per
instruction.
The postcode layer (3,235 rows) is the harder blocker, and re-sourcing without contact is not possible:
- Current sourcing:
freemaptools.com's UK postcode dump (filtered toJE%)britishredcrosssociety/channel-islands-geocodingon GitHub, which has no LICENSE file — GitHub's default is all-rights-reserved, not a redistribution grant.
- Code-Point Open does not cover this. Verified directly against Ordnance Survey's own product page: "An open dataset of all the current postcode units in Great Britain" — explicitly GB only (England/Scotland/Wales). Jersey is a Crown Dependency, not part of Great Britain, and is excluded. This rules out the fix the original review recommended for the UK build.
- GeoNames JE exists but is not a usable replacement. Fetched and checked
directly: 5 rows, 4 distinct postcodes — just the outward codes
JE1–JE4, no admin3, no street/full-postcode granularity. Our build has 3,235 full postcodes. Adopting GeoNames JE would be a ~99.9% coverage loss, not a rebuild. - The rightsholder is Jersey Post / its appointed data partners (Digimap (Jersey) Ltd, Europa Technologies) — licensing from them is the only path found, and that requires contact.
Coordinates currently come from Nominatim/OpenStreetMap — same ODbL +
Nominatim-policy problem documented for Singapore and Kuwait elsewhere in this
review (see the OSM/ODbL gate in CLAUDE.md). A third, independent reason this
can't ship as-is even before the postcode-source question is settled.
Recommendation
No action possible under the current constraint (no contact). Keep
data_available: false. If the no-contact rule is ever relaxed for a single
case, Jersey is the weaker candidate relative to Senegal (see
datasets/sn/.licensing-notes.md) — it stacks three separate problems
(unlicensed aggregator source, unconfirmed ArcGIS boundary licence, ODbL
coordinates) rather than one clean gap.
Not legal advice — a research summary of published terms and verified source availability.
Source: datahub-next#941 (opened by @anuveyatsu, 2026-08-08); review 2026-08-24.
GENERATED AND PUBLISHED — 2026-08-25
Human decision, overriding the "no action possible without contact" hold
above: generate and publish now, resolve licensing after. je.csv (3,235
rows) built from the FedEx-schema QA-passed dataset via
datasets/je/scripts/build_postal_codes_product.py. Two of the three
stacked problems documented above are avoided by construction, not resolved:
- No coordinates are included. The FedEx source has none, so this release ships with latitude/longitude/accuracy blank — the Nominatim/OSM/ODbL problem this file describes is real for a future coordinate-enrichment pass, but is not reproduced in what's shipping now.
- The admin layer (parish/vingtaine names) uses the clean OGL-Jersey census source and/or Wikipedia, not the unclear-licence ArcGIS FeatureServer this note flags — that server's polygons were never needed for a name-only build.
What is NOT avoided, and remains the real disclosed gap: the postal-code
layer itself (freemaptools UK dump + the britishredcrosssociety GitHub
table with no LICENSE file). licence_status.decision is explicitly
"unresolved" — a deliberate, disclosed exception to the provenance gate's
hard-block rule. Full disclosure ships in ATTRIBUTION.txt and the README,
with an explicit "do not resell without a redistribution right" line.
data_available: true should be flipped once this is on R2 (see
datapackage.yml).
Still true: no contact has been made with Jersey Post or its data partners. This publish does not resolve the underlying licence question for the postcode layer — it makes an informed decision to sell into that gap, disclosed, rather than wait on it.