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Office of the Chief Technology Officer
 

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Services

Data, Demographics and Maps icon
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开放数据(Chinese)-Open Data

Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

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Apply for a DC One Card

Middle and high school students can get their DC One Cards at school.

Police Service Area Finder
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Buscador de áreas de servicio policial (Spanish)

Cada residente vive en un Área de Servicio Policial (PSA),

Police Service Area Finder
Police Service Area (PSA) Finder logo

Công cụ tìm khu vực dịch vụ cảnh sát_Vietnamise

Cư dân nào cũng sống trong một Khu vực Dịch vụ Cảnh sát (PSA) và mỗi PSA đều có một đội ngũ cảnh sát viên và quan chức được chỉ định. Mỗi quận cảnh sát có từ 7 đến 9 PSA. Có tổng cộng 56 PSA ở Đặc khu Columbia.

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DC GIS Services

DC GIS, under the OCTO Digital Services program, provides the public a 'one-stop shop' for geospatial data.

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DC GIS 서비스(Korean)

DC GIS, under the OCTO Digital Services program, provides the public a 'one-stop shop' for geospatial data.

Schools Education
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DC One Card Digital Account

Manage DC One Card associated services from a single location.

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DC Zoning Map

The DC Office of Zoning (DCOZ) is proud to introduce a new and improved comprehensive zoning map for the District of Columbia.

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DC-Net

DC-Net provides fully dedicated and symmetrical Internet service at download/upload speeds of 10 Mbps to 1 Gbps.
 

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Données ouvertes(French)

Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

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Download the MAR Geocoder

As of October 2021, the MAR Desktop Geocoder is no longer supported by OCTO. This means that although the geocoder is still available and generally continues to work for some users, OCTO is no longer devoting resources to support bug fixes nor enhancements.
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Dữ liệu mở (Vietnamise)-Open Data

Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

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Giới thiệu về DC GIS (Viet)

DC GIS, under the OCTO Digital Services program, provides the public a 'one-stop shop' for geospatial data.

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Google Maps API for Work for DC GIS

Use Google Maps API for Work to diversify government web map applications built by District agencies.
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Información abierta (Spanish)

Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

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IT Standards

Open Data and GIS StandardsLearn more about the District's IT standards.

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DC Online Maps and Apps

Maps and Applications

Find a variety of maps and online applications developed by the Office of the Chief Technology Officer in coordination with other District agencies.

OCTO COVID-19 Safety Guidelines
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OCTO COVID-19 Safety Guidelines

Steps OCTO personnel should take to protect themselves.

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Open Data

Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

Police Service Area Finder
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Police Service Area Finder

Every resident lives in a Police Service Area (PSA), and every PSA has a team of police officers and officials assigned to it. Each police district has between seven and nine PSAs. There are a total of 56 PSAs in the District of Columbia.

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