feat(postcodes/TR): bulk-import 2,771 Turkey postcodes via PTT (#1039)#1450
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Source: PTT (Türkiye Postası) postcode catalogue distributed via the muratgozel/turkey-neighbourhoods MIT package. All 81 provinces resolve (100% state FK) because the source's 2-digit city code is identical to CSC's iso2 for Turkish provinces. Records are deduped at the district level (district + 5-digit code) — each district collapses its constituent neighbourhoods into a single representative row. Refs #1039. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Adds 2,771 Turkey postcodes (one per district) spanning all 81
Turkish provinces, sourced from the PTT (Türkiye Postası) catalogue
distributed via the MIT-licensed
muratgozel/turkey-neighbourhoodspackage.
matches the source's neighbourhood JSON where many neighbourhoods
share a single district-level code.
Source & licence
"source": "ptt-via-turkey-neighbourhoods"How it works
[city_code, city_name, district, neighbourhood, postal_code]already includes the 2-digit Turkish plate/provincecode, which is identical to the iso2 already in CSC's
states.json.(postal_code, district)so 73,305 neighbourhoodrows collapse to 2,771 distinct district-level codes.
Validation
python3 -m py_compileclean.country.postal_code_regex(^(\d{5})$).state_idwhosecountry_id == 225and whoseiso2matchesstate_code.id,created_at,updated_at,flag).Test plan
Refs #1039.
🤖 Generated with Claude Code