whosonfirst-data / whosonfirst-data/whosonfirst-data-postalcode-jp

mapping first three digits of jp postal codes to city and prefecture

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Description

japanese_postal_codes_000_prefecture_city.csv.txt

(can also do neighborhood and probably chome)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the linked japanese_postal_codes_000_prefecture_city.csv.txt file and inspect how this repository stores postal-code data. Map the first three digits of Japanese postal codes to their city and prefecture, and verify that the resulting data includes the requested mappings; neighborhood and chome coverage is optional.

Written by the indexing model from the issue text.

Assessment

Domain
data
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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