Community is one of the biggest things newcomers miss. In the US, much of community life happens through religious groups, nonprofits and volunteering.
The US has no official religion. You are free to practice any faith, or none.
Search your maps app for "mosque", "church", "Hindu temple", "gurdwara", "Buddhist temple", "synagogue", plus your language or tradition, for example "Nepali church" or "Eritrean Orthodox church".
Look at the website or social media for service times and languages.
Most welcome visitors. You can say: "I'm new to the area. Is it okay if I join the prayer?"
Many have food pantries, language classes, youth programs and help for new arrivals.
Cultural and diaspora associations for your country or language.
Immigrant service nonprofits: help with English, jobs, forms and legal referrals.
Resettlement agencies: work with refugees and some other humanitarian arrivals. If you came as a refugee, your agency is your first contact.
Community centers and the YMCA: classes, sports, childcare.
211: call or text to find local help with food, housing, bills and more.
Volunteering is very common in the US. It is a good way to meet people, practice English and get local experience for your resume.
Food banks, animal shelters, libraries, schools, hospitals, parks, places of worship, and nonprofits.
Search VolunteerMatch, Idealist or your city's volunteer page, or americorps.gov.
Start with a one-day event, like a park clean-up or food sorting.
Real volunteering is unpaid work for a charity, religious group or the community, with no promise of a job or pay later. It is generally fine on most visas.
Be careful with "volunteering" that looks like a job: regular hours at a for-profit company, doing work a paid employee would do, or receiving money or other benefits. That can count as unauthorized work. If you are on a dependent or student visa and are unsure, ask your school's international office or an immigration lawyer first.
Waiting to "feel ready" before visiting a place of worship or group. Most are glad to welcome newcomers.
Agreeing to an unpaid "internship" at a company while your visa does not allow work.
Joining only online groups. Going in person builds real friendships faster.