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General contacts and listservs

Contacts, email groups, and government-related newsletters.

TTS information

Information you might need for filling out GSA forms:


Washington, D.C.: 1800 F St. NW. 20405 GSA region: 11 Office Guide
San Francisco, CA: 50 United Nations Plaza 94102 GSA region: R9 Office Guide
Chicago, IL: 230 S. Dearborn St. 60604 GSA region: R5 Office Guide
New York City, NY: One World Trade Center, 10007 GSA region: R2 Office Guide

Email groups


Business Inquiries

Business Units

Chapters and PIF



Contacting OPP outside of TTS


There are a number of groups that are good for collaborating across government. If any of these topics interest you, consider joining—even if you prefer to lurk. (Consider filtering messages like these so they appear in their own Gmail label.) communities hosts several mailing list communities for people in the U.S. government, including the following:

Artificial Intelligence Community of Practice

Supporting and coordinating the use of artificial intelligence technologies in federal agencies. Join »

Blockchain Community of Practice

A collaborative hub for federal agencies that are interested in exploring distributed ledger technology and its implementation within government. Join »

Virtual and Augmented Reality Community of Practice

A collaborative hub for the research and refinement of VR and AR business cases and pilot programs across government. Join »

A/B Testing Community

A community that encourages data-driven decisions and continuous optimization of A/B testing, and shares best practices, tips, and support. Join »

DevOps Community of Practice

The practice of operations and development staff participating together in the in the entire service lifecycle operate rapidly changing resilient systems at scale. Join »

Robotic Process Automation (RPA) Community of Practice

We are a group who is working to accelearate robotic process automation (RPA) adoption in the federal government. Join »

Results-Oriented Accountability for Grants Community of Practice

Our community engages stakeholders around the President’s Management Agenda (PMA), and the Results-Oriented Accountability for Grants Cross-Agency Priority (CAP) Goal. Join »


Working to advance the cause of APIs in the federal government Join »

Agile/Lean Community of Practice

The Agile/Lean Community of Practice was started to bring together federal employees who are currently working with agile/lean methodologies or would like to learn more about Agile/Lean. Join »

OpenGov Community of Practice

The Interagency Open Government Community of Practice is where we talk about transparency, open-participation, and collaboration across agencies. Join »

Video Production Pros Community of Practice

Video Production Pros brings together passionate storytellers, artists, social gurus, strategists, and video production experts from across the U.S. government. Join »

Manage Your Listserv Subscription

GSA supports many communities of practice by hosting listservs which provide our DigitalGov community with an easy way to collaborate, ask questions, and share information. Join »

Other Government Communities

Digital communities of practice from around the government Join »

Plain Language Community of Practice

Our goal is to promote the use of plain language for all government communications. Join »

Crowdsourcing and Citizen Science Community of Practice

The Federal Community of Practice on Crowdsourcing and Citizen Science (FedCCS) works across the government to share lessons learned and develop best practices for designing, implementing, and evaluating crowdsourcing and citizen science initiatives. Join »

Customer Experience Community of Practice

The government Customer Experience Community of Practice (CX-COP) is an interagency group of customer experience practitioners, with over 700 members across more than 140 federal, state and local U.S. government offices and agencies. Join »

Open Data Community of Practice

A community listserv and working group that unites 900 open data leads at federal agencies, data stewards, and all others in government interested in open data, enterprise data inventory, civic tech, and data-driven government issues. Join »

Member Spotlight – Scott Horvath, USGS

Scott Horvath of the U.S. Geological Service (USGS) has been an active and respected member of many of our DigitalGov communities for several years. Join »

Member Spotlight – Karen Higa, State of Hawaii

This month, we turn the spotlight on Karen Higa, who manages Join »

Multilingual Community of Practice

We are a group of federal, state and local government content managers, formerly known as the Federal Multilingual Websites Committee, who are working to expand and improve digital content in languages other than English. Join »

User Experience Community of Practice

Join other federal user experience practitioners and learn how to make better user-centered products. Join »

Challenge & Prize Community of Practice

We encourage public participation in crowdsourcing competitions to find innovative government solutions. Join »

Social Media Community of Practice

The Federal SocialGov Community unites over 1,200 digital managers and specialists at more than 160 agencies and offices in a collaborative program aimed at improving the creation, adoption and evaluation of digital engagement programs. Join »

Web Content Managers Forum

The Web Content Managers Forum is a community of government employees who share ideas, challenges, lessons learned, and best practices in managing the content of government websites. Join »

MobileGov Community of Practice

MobileGov Community of Practice members, a network of federal employees, work across agencies to create anytime, anywhere government resources and solutions for today and tomorrow. Join »

Government Contact Center Council (G3C) Community of Practice

The G3C is an inter-agency group of contact center directors and managers with over 200 members across 55 federal, state and local government agencies. Join »

Accessibility / Section 508 Community of Practice

The IT Accessibility Community supports people in government who working to improve accessibility of information technology. Join »

U.S. Web Design System Community of Practice

A community for anyone building federal websites with the U.S. Web Design System (USWDS) or considering it for a future project. Join »

Open Source Community of Practice

About: This listserv has been established to expand the opportunities for the open source community to communicate with each other beyond events and working groups held by the staff during the year.

To join: Email with no subject or text in the body and it will add you. You should receive a confirmation.

Other groups within the U.S. government

DevOps Today

About: The list aims to promote DevOps practices within government IT organizations, including overcoming the organizational and cultural challenges to effecting change. Run by Peter Burkholder of 18F, with participants from federal, state, and local governments.

To join: Email with no subject and subscribe devops-today in the body.

Digital Service

About: This listserv is used for cross-team announcements and conversation between USDS HQ, agency digital service teams, 18F etc.

To join: Email with no subject and subscribe digitalservice in the body.

Interagency open data working group

About: Run by Project Open Data. For people who want to discuss open data policy.

To join: Email with no subject and subscribe open-data in the body.

Public groups

Government APIs

About: Provides a safe and open arena for government-focused collaboration and news-sharing for anyone interested in API production, API consumption, open interagency developer collaboration, open data, open content, open CMS projects, and developer outreach.

To join: Apply via Google Groups.

Government open source

About: Provides a safe and open arena for government-focused collaboration and news-sharing for anyone interested in open source software projects, open source collaboration, licensing, and developer outreach.

To join: Apply via Google Groups.

Open government

About: Provides a safe and welcoming arena for government-focused collaboration and news-sharing around Open Government efforts of the United States government. Specific topics may include: The Open Government Initiative, The Open Government Plan, Freedom of Information Act efforts, open data projects, and citizen engagement

To join: Apply via Google Groups.

GSA Press Clips

About: This is an internal GSA google group we set up to bring together the various press clips that are sent out by the Communications office.

To join: Apply via Google Groups.