Telsizler, Kağıthane
Telsizler Neighbourhood Steel Doors
Telsizler is one of 19 neighbourhoods in Kağıthane. Population 11,304 (2025), area 0.22 km², density 50,691 per km². Postcode 34410. Muhtar's office: Boğazkale Sk. No:2 TELSİZLER/KAĞITHANE. District population rank 18 of 19. Holds 2.5% of district population. 2 named buildings. Our workshop in İkitelli OSB is 16 km away as the crow flies. Nearest: Gültepe, 0.3 km. We come to this address to measure.
Steel door manufacture, sales, on-site measurement, installation and service across Istanbul.
Telsizler facts and sources
| Fact | Telsizler |
|---|---|
| Population | 11,304 (2025), second source agrees [1, 2] |
| Women / men | 5,662 / 5,642 [1] |
| Postcode | 34410 [3] |
| Area | 0.22 km² (calculated) [4] |
| Population density | 50,691 people/km² (calculated) [1, 4] |
| Muhtar's office | Telsizler Mahalle Muhtarlığı [5] |
| Office address | Boğazkale Sk. No:2 TELSİZLER/KAĞITHANE [5] |
| Coordinates | 41.078587, 28.997082 (office building) [5] |
Sources (6), checked 5 November 2026
- [1] dataset version 2025, updated 2026-05-21; primary source TÜİK MEDAS (biruni.tuik.gov.tr/medas) · api.turkiyeapi.dev/v2/neighborhoods?provinceId=34
- [2] derived from TÜİK ADNKS 2025 data (retrieved 2026-11-05) · https://www.nufusune.com/40551-istanbul-kagithane-telsizler-mahallesi-nufusu
- [3] postcode source PTT Kargo (ptt.gov.tr/posta-kodu), dataset version 2025, updated 2026-05-21 · api.turkiyeapi.dev/v2/neighborhoods?provinceId=34
- [4] openstreetmap.org/relation/9363133 (OSM contributors, ODbL; retrieved 2026-11-05) · nominatim.openstreetmap.org
- [5] İBB Open Data Portal, "Muhtarlık Adres Bilgileri" (GeoJSON, dataset updated: 2025-06-05) · data.ibb.gov.tr
- [6] Overpass API, named buildings inside relation/9363133; retrieved 2026-11-05 · OpenStreetMap (OSM contributors, ODbL)
Named buildings inside Telsizler
2 named buildings
- Kocatepe İlkokuluschool
- Gültepe camiİplace of worship
Telsizler within Kağıthane
- Density against district average
- 1.22x
- Sharing postcode 34410
- Gültepe, Harmantepe, Yahya Kemal
Neighbourhoods around Telsizler
Straight line between muhtar office buildings, not a shared border.
Carry on from Telsizler
Survey, manufacture and installation run with one team across Kağıthane.