What State Am I In?
Tap Use my location or enter a U.S. street address, ZIP Code, or coordinates to check which state or territory you're in, along with its postal abbreviation, state capital, time zone, and county.
How This U.S. State and Territory Lookup Works
This tool identifies which U.S. state, federal district, or territory your current GPS coordinates, street address, or 5-digit ZIP Code fall inside by querying the U.S. Census Bureau’s official state and county boundary layers, returning the full state name, two-letter USPS postal abbreviation, 2-digit state FIPS code, state capital, statutory time zone coverage, and current county. All 50 states, the District of Columbia, Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, and the Northern Mariana Islands are supported.
Why Checking State Lines Matters on the Road and in Metro Areas
Interstate highways, bridges, rivers, and metropolitan areas frequently straddle state boundaries where cellular towers or mailing addresses can be misleading:
- Cross-Border Metro Areas: Cities such as Kansas City (Missouri and Kansas), Texarkana (Texas and Arkansas), Bristol (Virginia and Tennessee), Fargo–Moorhead (North Dakota and Minnesota), and the Washington, D.C.–Maryland–Virginia region sit directly on state lines.
- Multi-State ZIP Codes: A few USPS 5-digit ZIP Codes cross state borders (such as
42223at Fort Campbell across Kentucky and Tennessee, or86515at Window Rock across Arizona and New Mexico). When you enter a multi-state ZIP Code, QuickWhere lists every state and county that ZIP Code touches along with its land area share. - Split Time Zone States: Thirteen U.S. states—including Florida, Texas, Tennessee, Kentucky, Indiana, Michigan, North Dakota, South Dakota, Nebraska, Kansas, Idaho, Oregon, and Alaska—are divided across two time zones, and Arizona has distinct Daylight Saving Time rules between the Navajo Nation and the rest of the state.
Data Sources and Border Accuracy
State and county boundaries come from the U.S. Census Bureau’s current TIGER/Line benchmark and TIGERweb State_County service. If you are parked within a few hundred feet of a state border sign or river bridge, GPS uncertainty can overlap the neighboring state; enter your exact street address or check What Time Zone Am I In? and Printable State Maps for detailed state outlines.