| Adams | Alamosa | Arapahoe | Boulder |
| Broomfield | Clear Creek | Delta | Denver |
| Douglas | Durango | Elbert | Gilpin |
| Grand | Gunnison | Hinsdale | Jefferson |
| La Plata | Larimer | Logan | Mineral |
| Montezuma | Montrose | Morgan | Ouray |
| Pagosa Springs | Park | San Juan | Summit |
| Washington | Weld |
| Abbeyville | Acequia | Acres Green | Adams City |
| Adena | Adna | Agate | Akron |
| Alamo Placita | Alamosa | Alden | Alice |
| Allenspark | Allison | Alma | Alma Junction |
| Almont | Altona | Altura | Andersonville |
| Antero Junction | Anton | Applewood | Ara |
| Argo Mill | Arickaree | Aristocrat Ranchettes | Arriola |
| Arrowhead | Arvada | Aspen Park | Atwood |
| Auburn | Ault | Aurora | Austin |
| Avalo | Bailey | Bakerville | Balarat |
| Baldwin | Balfour | Balltown | Balzac |
| Bark Ranch | Barnesville | Barr Lake | Bayfield |
| Beaver Point | Bedrock | Bellvue | Bennett |
| Bergen Park | Berkley | Berthoud | Berthoud Falls |
| Beta | Beverly Hills | Big Elk Meadows | Bijou |
| Birdseye | Black Eagle Mill | Black Hawk | Black Hollow Junction |
| Blakeland | Blue River | Blue Sky | Blue Valley |
| Bonanza Mountain Estates | Bondad | Bordenville | Boulder |
| Boulder Junction | Bow Mar | Bowie | Box Prairie |
| Bracewell | Breckenridge | Breen | Briggsdale |
| Brighton | Broken Arrow Acres | Brook Forest | Brookvale |
| Broomfield | Broughton | Bruce | Brush |
| Buchanan | Buckeye | Buckingham | Buda |
| Buffalo Creek | Bulger | Bunyan | Burdett |
| Burning Tree Ranch | Byers | Cabin Creek | Calhoun |
| Camden | Camp Bird | Campion | Canfield |
| Canton | Carbon Junction | Carr | Carriage Club |
| Cascade | Castle Pines | Castle Pines North | Castle Rock |
| Castlewood | Cathedral | Cedar Cove | Cedar Creek |
| Cedar Point | Cedaredge | Centennial | Central City |
| Chance | Cherry Creek | Cherry Hills Village | Cherry Ridge |
| Chipeta | Cimarron | Clark | Cliffdale |
| Cloverly | Coal Creek | Coburn | Cody Park |
| Colby | College View | Colona | Columbine |
| Columbine Valley | Columbus | Comanche | Comer |
| Commerce City | Como | Conifer | Cooper |
| Cope | Copper Mountain | Copperdale | Cornish |
| Cortez | Cory | Cottonwood | Country Acres |
| Coventry | Crawford | Creede | Crescent |
| Crescent Village | Crested Butte | Crisman | Crook |
| Crossons | Crystal | Dacono | Dailey |
| Dallas | Dearfield | Deckers | Deer Trail |
| Deermont | Delta | Dent | Denver |
| Derby | Dick | Dillon | Dodd |
| Dolores | Dome Rock | Dominguez | Dominion |
| Dove Valley | Dover | Downieville | Doyleville |
| Drake | Drakes | Dumont | Dupont |
| Durango | East La Salle | East Portal | East Vancorum |
| Eastlake | Eaton | Eckert | Edgemont |
| Edgewater | Eggers | El Rancho | El Vado |
| Elba | Elbert | Eldora | Eldorado Springs |
| Eldredge | Elephant Park | Elizabeth | Elkdale |
| Elkton | Elm | Elwell | Empire |
| Englewood | Eno | Erie | Escalante |
| Estabrook | Estes Park | Estrella | Eureka |
| Evans | Evanston | Everett | Evergreen |
| Fairplay | Fairview | Falfa | Farmers |
| Federal Heights | Fenders | Ferncliff | Ferndale |
| Firestone | Fleming | Floresta | Florida |
| Fondis | Fort Collins | Fort Lupton | Fort Morgan |
| Fosston | Foxfield | Foxton | Franktown |
| Fraser | Frederick | Freeland | Frisco |
| Frost | Galeton | Galien | Garden City |
| Garo | Gary | Gaskil | Gates |
| Gateview | Gateway | Gem Village | Genesee |
| Georgetown | Giddings | Gilcrest | Gill |
| Gilson Gulch | Glen Comfort | Glen Echo | Glen Haven |
| Glendale | Glendevey | Glenelk | Glenisle |
| Glentivar | Golconda | Gold Hill | Golden |
| Gooding | Goodrich | Gothic | Gowanda |
| Granby | Grand Lake | Grand Mesa | Grand View Estates |
| Grandview | Grant | Graymont | Greeley |
| Greeley Junction | Green Mountain Village | Green Valley Acres | Greenland |
| Greenwood Village | Griff | Grover | Guffey |
| Gunbarrel | Gunnison | Hambert | Happy Canyon |
| Hardin | Hardman | Harmony | Harney |
| Harris Park | Hartner | Hartsel | Haver |
| Hazeltine | Hazeltine Heights | Heeney | Henderson |
| Henry | Henson | Hereford | Heritage Hills |
| Hermosa | Herzman Mesa | Hesperus | Hi-Land Acres |
| Hidden Lake | Hidden Valley | Hideaway Park | Highland |
| Highland Lake | Highland Park | Highlands Ranch | Hillrose |
| Hillsboro | Hilltop | Hiwan Hills | Homewood Park |
| Hooper | Horsetooth Heights | Hot Sulphur Springs | Hotchkiss |
| Houston | Howardsville | Hoyt | Hudson |
| Huff | Hurley | Hurrich | Hyde |
| Hygiene | Idaho Creek | Idaho Springs | Idledale |
| Idylwilde | Ignacio | Iliff | Indian Hills |
| Indian Meadows | Indian Springs Village | Insmont | Inverness |
| Irondale | Ironton | Irwin | Jackson Field |
| Jackson Lake | Jamestown | Jefferson | Jessica |
| Jessum | Johnson | Johnstown | Juanita Junction |
| Kahler | Kassler | Keenesburg | Kelim |
| Kellytown | Ken Caryl | Keota | Kerns |
| Kersey | Keyhole | Keystone | Kings Corner |
| Kinikinik | Kiowa | Kirkland | Kittredge |
| Kline | Kobe | Krauss | Kremmling |
| Kuner | Kutch | La Boca | La Fruto |
| La Plata | La Posta | La Salle | Lafayette |
| Lake City | Lake George | Lakeside | Lakewood |
| Lamartine | Lamb | Laporte | Larkspur |
| Last Chance | Lawson | Lazear | Lazy Acres |
| Leader | Leadville | Leadville Junction | Leal |
| Lebanon | Leroy | Lewis | Leyden |
| Leyden Junction | Leyner | Liberty | Liggett |
| Lincoln | Lincoln Hills | Lindon | Little Dam |
| Littleton | Livermore | Living Springs | Lochbuie |
| Lodi | Log Lane Village | Logan | Loghill Village |
| Loma Linda | Lone Pine Estates | Lone Star | Lone Tree |
| Longmont | Longview | Louisville | Louviers |
| Loveland | Loveland Heights | Lowe | Lucerne |
| Lujane | Lyons | Magnolia | Maher |
| Maloy | Malta | Mancos | Manila |
| Marble | Marcott | Mariano | Marnett |
| Marshall | Marshdale | Marvel | Maryvale |
| Mason Corner | Masontown | Masonville | Masters |
| Matheson | Matthews | Mayday | McArthur Ranch |
| McClellands | Mead | Meeker Park | Meridian |
| Merino | Messex | Middleton | Midway |
| Milliken | Millwood | Miramonte | Mishawaka |
| Montbello | Monte Vista Estates | Montezuma | Montrose |
| Moonridge | Morey | Morrison | Mosca |
| Moseley | Mount Crested Butte | Mount Massive Lakes | Mount Olivet |
| Mount Vernon Club Place | Mountain Meadows | Mountain View | Mumper Corner |
| Naturita | Nederland | Needleton | Nelson |
| Nevadaville | New Haven | New Raymer | Nighthawk |
| Ninemile Corner | Niwot | Noland | Norfolk |
| North Creede | North Delta | North Washington | Northglenn |
| Nucla | Nugget | Nunn | Oak Grove |
| Oehlmann Park | Ohio | Olathe | Old Roach |
| Olympus Heights | Omega | Orchard | Orchard City |
| Orodell | Orsa | Otis | Ouray |
| Owl Canyon | Oxford | Oxyoke | Pactolus |
| Padroni | Paonia | Paradise Hills | Paradox |
| Paragon Estates | Park Meadows | Parker | Parlin |
| Parma | Parshall | Payne | Peabodys |
| Peaceful Valley | Peckham | Peeples | Peetz |
| Peoria | Perry Park | Phillipsburg | Pieplant Mill |
| Pierce | Pike-San Isabel Village | Pine Brook Hill | Pine Grove |
| Pine Nook | Pine Valley | Pinecliffe | Pinewood Springs |
| Pinneo | Piñon | Piñon Acres | Pitkin |
| Pittsburg | Plainview | Plastic | Platner |
| Platte Springs | Platteville | Pleasant View | Pleasant View Ridge |
| Plumbs | Ponderosa East | Ponderosa Hills | Ponderosa Park |
| Portland | Poudre Park | Powars | Powderhorn |
| Proctor | Prospect Valley | Pulliam | Purcell |
| Puritan | Quimby | Rago | Raymer |
| Raymond | Read | Red Feather Lakes | Red Lion |
| Redmesa | Redmond | Redvale | Resurrection Mill |
| Rex | Ridgway | Rinn | Riverside |
| Riverview | Rockland | Rockport | Rockwood |
| Rocky | Roe | Rogers Mesa | Roggen |
| Rolla | Rollinsville | Rosedale | Roundup Junction |
| Rowena | Roxborough Park | Roy | Ruby |
| Russell Gulch | Sable | Saddle Ridge | Saint Ann Highlands |
| Saint Mary's | Saint Petersburg | Saint Vrains | Salina |
| Sandown | Santa Maria | Sapinero | Saunders |
| Saxton | Sedalia | Selma | Semper |
| Seven Hills | Severance | Shamballah-Ashrama | Shamrock |
| Shaw Heights | Shawnee | Sheridan | Sherrelwood |
| Sillsville | Silver Heights | Silver Plume | Silver Springs |
| Silver Spruce | Silverthorne | Silverton | Simla |
| Singleton | Sinnard | Sky Village | Sloan |
| Smith Hill | Snow Water Springs | Snyder | Somerset |
| South Platte | South Roggen | Southglenn | Spanish Village |
| Spar City | Spencer Heights | Sphinx Park | Spivak |
| Springdale | Spruce | Sprucedale | Sprucewood |
| Stage | Stanley Park | Stapleton | Sterling |
| Stonegate | Stoneham | Stoner | Strasburg |
| Stringtown | Sugarloaf | Sullivan | Summerville |
| Sunnyside | Sunshine | Superior | Surrey Ridge |
| Switzerland Park | Tabernash | Tabor | Tacoma |
| Tall Timber | Tampa | Tarryall | The Pinery |
| Thistledown | Thornton | Tiffany | Timnath |
| Tincup | Tobin | Todd Creek | Tolland |
| Tomah | Tonville | Towaoc | Trail Side |
| Trilby Corner | Trimble | Troublesome | Troutdale |
| Trumbull | Trump | Twin Cedars | Twin Forks |
| Twin Lakes | Twin Mills | Twin Spruce | Uncompahgre |
| Union | Uravan | Utah Junction | Ute |
| Vallecito | Valmont | Vancorum | Vernal |
| Vista Pointe | Vollmar | Wah Keeney Park | Walker |
| Wallace Village | Wallstreet | Waltonia | Wandcrest Park |
| Ward | Warren | Waterton | Watkins |
| Wattenberg | Waunita Hot Springs | Waverly | Webster |
| Welby | Weldona | Weller | Wellington |
| Welty | West Vancorum | Westcreek | Western Hills |
| Westminster | Westplains | Wheat Ridge | Wheeler Junction |
| Wheelman | Whitepine | Wiggins | Wiladel |
| Wildcat | Will-O-The-Wisp | Willard | Windsor |
| Windy Hills | Winter Park | Wolhurst | Wondervu |
| Woodrow | Xenia | Yellow Jacket | Zuni |