- Gadsden
- Gaffney
- Gahanna
- Gainesboro
- Gainesville
- Gaithersburg
- Galatia
- Galena
- Galesburg
- Galiano Island
- Galien
- Galion
- Gallatin
- Gallatin Gateway
- Gallipolis
- Galloway
- Gallup
- Galva
- Galveston
- Gamaliel
- Gambrills
- Gandhinagar
- Gansevoort
- Gap
- Garden City
- Garden Grove
- Garden Plain
- Gardena
- Gardendale
- Gardiner
- Gardner
- Gardners
- Gardnerville
- Garfield
- Garfield Heights
- Garland
- Garner
- Garnet Valley
- Garnett
- Garrett
- Garrett Park
- Garrettsville
- Garrison
- Garwood
- Gary
- Gas City
- Gassaway
- Gassville
- Gaston
- Gastonia
- Gatesville
- Gatlinburg
- Gautier
- Gaylord
- Gays Mills
- Gembrook
- Geneseo
- Geneva
- Genoa
- Genoa City
- Gentry
- Gentryville
- Georgetown
- Georgetown Township
- Georgiana
- Georgina
- Gering
- Germantown
- Germantown Hills
- Gettysburg
- Getzville
- Geyserville
- Ghent
- Gibbsboro
- Gibson City
- Gibson Island
- Gibsonburg
- Gibsonia
- Gibsons
- Gibsonton
- Gibsonville
- Giddings
- Gifford
- Gig Harbor
- Gilbert
- Gilberts
- Gilbertsville
- Gillespie
- Gillette
- Gilman
- Gilmer
- Gilmore City
- Gilroy
- Girard
- Glade Park
- Gladstone
- Glasgow
- Glassport
- Glastonbury
- Glen Allen
- Glen Arm
- Glen Burnie
- Glen Carbon
- Glen Cove
- Glen Dale
- Glen Ellen
- Glen Ellyn
- Glen Head
- Glen Huntly
- Glen Mills
- Glen Ridge
- Glen Rock
- Glenbrook
- Glencoe
- Glendale
- Glendale Heights
- Glendora
- Glenmora
- Glenn Dale
- Glenns Ferry
- Glennville
- Glenpool
- Glens Falls
- Glenshaw
- Glenside
- Glenview
- Glenwood
- Glidden
- Gloucester
- Gloucester Courthouse
- Gloversville
- Goddard
- Godfrey
- Goffstown
- Gold Canyon
- Gold Hill
- Gold River
- Golden
- Golden Valley
- Goldendale
- Goldenrod
- Goldsboro
- Goldsmith
- Goleta
- Gonzales
- Gonzalez
- Goochland
- Goodells
- Goodland
- Goodlettsville
- Goodman
- Goodrich
- Goodridge
- Goodyear
- Goose Creek
- Göppingen
- Gorham
- Goshen
- Gosport
- Gotha
- Gothenburg
- Goulds
- Gowanbrae
- Grabill
- Graettinger
- Grafton
- Graham
- Grain Valley
- Grammer
- Granbury
- Granby
- Grand Beach
- Grand Blanc
- Grand Forks
- Grand Haven
- Grand Island
- Grand Junction
- Grand Ledge
- Grand Marais
- Grand Prairie
- Grand Rapids
- Grand Rivers
- Grandview
- Grandview Heights
- Grandville
- Granger
- Grangeville
- Granite Bay
- Granite City
- Granite Falls
- Graniteville
- Grant
- Grant Park
- Grant-Valkaria
- Grantham
- Grants Pass
- Grantsburg
- Grantsville
- Granville
- Grapevine
- Grass Lake Charter Township
- Grass Valley
- Graton
- Gratz
- Gravette
- Grawn
- Gray
- Grayling
- Grayslake
- Grayson
- Graysville
- Grayville
- Great Barrington
- Great Bend
- Great Falls
- Great Neck
- Great Neck Plaza
- Great River
- Greater Northdale
- Greeley
- Green Bay
- Green Brook Township
- Green Cove Springs
- Green Hill
- Green Lane
- Green Springs
- Green Valley
- Greenacres
- Greenback
- Greenbank
- Greenbelt
- Greenbrier
- Greenbush
- Greencastle
- Greendale
- Greene
- Greeneville
- Greenfield
- Greenland
- Greenlawn
- Greens Fork
- Greensboro
- Greensburg
- Greentop
- Greentown
- Greenup
- Greenview
- Greenville
- Greenwich
- Greenwich Township
- Greenwood
- Greenwood Village
- Greer
- Grenada
- Gresham
- Gretna
- Greybull
- Gridley
- Grieskirchen
- Griffin
- Griffith
- Griggsville
- Grimes
- Grimsby
- Grinnell
- Grissom Air Force Base
- Grizzly Flats
- Groesbeck
- Grosse Ile Township
- Grosse Pointe
- Grosse Pointe Farms
- Grosse Pointe Park
- Grosse Pointe Shores
- Grosse Pointe Woods
- Groton
- Grove
- Grove City
- Groveland
- Groveport
- Grover Beach
- Grovertown
- Grovetown
- Grundy Center
- Guelph
- Guilderland
- Guilford
- Guin
- Guion
- Gulf Breeze
- Gulf Shores
- Gulfport
- Gunnison
- Guntersville
- Gurnee
- Guthrie
- Guttenberg
- Guymon
- Gwynneville