These are the locations of Verizon XLTE coverage in the US:
This source is from androidcentral who also provided the source of the locations from Verizon Wireless.
http://www.androidcentral.com/here-are-verizons-initial-xlte-cities
Available States (and cities):
Alabama- Birmingham, Decatur, Florence, Mobile, Montgomery, Tuscaloosa
Arizona- Flagstaff, Phoenix, Prescott, Tucson
Arkansas- El Dorado-Magnolia, Fayetteville-Springdale, Fort Smith, Hot Springs, Jonesboro, Little Rock, Russellville
California- Bakersfield, Chico-Oroville, Fresno, Los Angeles, Merced, Modesto, Oakland, Redding, Sacramento, San Diego, San Francisco, San Jose, San Luis Obispo, Santa Barbara, Stockton, Visalia-Porterville, Yuba City-Marysville
Colorado- Colorado Springs, Denver, Fort Collins, Greeley, Pueblo
Connecticut- Greater Fairfield and New Haven, Hartford, New London County
Delaware- Dover, Fort Myers, Fort Pierce-Vero Beach
Florida- Gainesville, Lakeland-Winter Haven, Melbourne-Titusville, Miami-Ft. Lauderdale, Orlando, Pensacola, Sarasota-Bradenton, Tallahassee, Tampa-St. Petersburg, West Palm Beach
Georgia- Athens, Atlanta, Augusta, Columbus
Hawaii- Honolulu, Kahului-Wailuku
Illinois- Bloomington, Carbondale, Champaign-Urbana, Chicago, Danville, Decatur-Effingham, Kankakee, La Salle-Peru-Ottawa, Mattoon, Peoria, Rockford, Springfield
Indiana- Anderson, Bloomington-Bedford, Columbus, Elkhart, Evansville, Indianapolis, Kokomo-Logansport, Lafayette, Marion, Richmond, South Bend-Mishawaka, Terre Haute, Vincennes-Washington
Iowa- Cedar Rapids, Des Moines, Sioux City, Blackfoot, Burley, Pocatello
Kansas- Dodge City, Garden City, Hays, Manhattan-Junction City, McPherson, Salina, Topeka, Wichita
Kentucky- Lexington, Louisville
Louisiana- Baton Rouge, Lake Charles, Monroe, New Orleans, Shreveport
Maryland- Baltimore, Salisbury
Massachusetts- Boston, Hyannis-Mid-Cape, Pittsfield, Springfield, Worcester-Fitchburg
Michigan- Benton Harbor, Detroit, Flint, Grand Rapids, Houghton, Lansing
Minnesota- Bemidji, Brainerd, Duluth, Fergus Falls-Alexandria, Minneapolis-St. Paul, Rochester, St. Cloud
Missouri- Jefferson City, Kansas City, St. Joseph
Montana- Billings
Nebraska- Grand Island-Kearney, Lincoln, North Platte, Omaha, Scottsbluff
Nevada- Las Vegas, Reno
New Hampshire- Manchester-Nashua
New Jersey- Atlantic City
New Mexico- Albuquerque, Santa Fe
New York- Albany, Binghamton, Buffalo, Elmira-Corning-Hornell, Ithaca, New York, Rochester, Syracuse, Utica
North Carolina- Asheville, Charlotte-Gastonia, Fayetteville-Lumberton, Raleigh-Durham, Wilmington
North Dakota- Bismarck, Dickinson, Fargo, Grand Forks, Minot, Williston
Ohio- Canton, Cincinnati, Cleveland-Akron, Columbus, Dayton-Springfield, Findlay-Tiffin, Lima, Mansfield, Marion, Portsmouth, Toledo
Oklahoma- Bartlesville, Lawton, Liberal, Oklahoma City, Tulsa
Oregon- Eugene-Springfield, Portland, Salem-Albany-Corvallis
Pennsylvania- Allentown-Bethlehem, Altoona, Erie, Harrisburg, Indiana, Lancaster, Pittsburgh, Reading, Scranton-Wilkes Barre, Shamokin, Sharon, State College, Stroudsburg, Williamsport, York
Rhode Island- Greater Providence
South Carolina- Charleston, Columbia, Florence, Greenville-Spartanburg, Greenwood, Myrtle Beach
South Dakota- Aberdeen, Rapid City, Sioux Falls
Tennessee- Chattanooga, Cleveland, Cookeville, Dyersburg, Jackson, Knoxville, Memphis, Nashville
Texas- Amarillo, Austin, Beaumont-Port Arthur, Bryan-College Station, Corpus Christi, Dallas-Ft. Worth, Houston, Laredo, Longview-Marshall, Paris, San Antonio, Sherman-Denison, Temple-Killeen, Tyler, Waco, Wichita Falls
Utah- Logan, Provo, Salt Lake City-Ogden
Virginia- Charlottesville, Fredericksburg, Greater Hampton Roads, Harrisonburg, Richmond, Roanoke, Winchester
Washington- Longview, Olympia, Seattle-Tacoma, Spokane
Wisconsin- Appleton-Oshkosh, Eau Claire, Fond du Lac, Green Bay
Unavailable States:
Alaska
Idaho
Maine
Mississippi
Vermont
West Virginia
Wyoming