About XFINITY from Comcast
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Xfinity is the brand name of Comcast’s internet, telephone and wireless services.
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Xfinity is a subsidiary of Comcast Corporation, a telecommunications conglomerate that also owns NBC Universal, Sky and Comcast Business.
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Xfinity’s revenues are reportedly more than $50 billion.
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Xfinity is the top provider of internet services in several states, and is available to more than 97% of residents of Washington DC and 85% of residents of Massachusetts.
BroadbandNow’s research is extensive and covers all major internet providers. We’re frequently cited by journalists across the world.
Learn more about the reliability of our data.
Xfinity Availability
Xfinity (a subsidiary of Comcast) is the largest cable company in the United States. Xfinity’s internet availability area covers 40 states, with the widest statewide coverage in California, Florida, and Illinois as of 2021.
Service is delivered over a predominantly Hybrid Fiber-Coaxial (HFC) network, which also maintains a large public Wi-Fi network for Xfinity customers.
Xfinity’s services tend to be most reliable in urban areas where they face competition from other providers such as Verizon Fios and AT&T. Proximity to fiber in these areas also allows them to deliver overall stronger service. Since cable connections are sometimes shared between houses in close proximity, customers may experience slower speeds during “peak use” times — typically 5-9 p.m. — when a large percentage of nearby subscribers are simultaneously streaming high-bandwidth video.
To see if Xfinity is available at your address, see the Xfinity coverage map above or enter your ZIP code above.
Xfinity Connection Speed
Comcast originally built coaxial networks for transporting cable television to TV subscribers. Now, Xfinity uses these cables to deliver digital data and internet connections throughout the Comcast coverage area. This is possible thanks to DOCSIS (Data Over Cable Service Interface Specification), a technology that allows these cables to be used to transport high-bandwidth digital data.
The backbone of Xfinity’s network is made up of fiber lines throughout the country. Their ownership of intercity fiber lines makes them a “tier 1” internet provider. Direct ownership of national fiber lines allows Comcast to deliver data throughout the U.S. cheaply and efficiently, as well as sell data transit and CDN (Content Delivery Network) services. This is part of the reason Comcast rebranded as “Xfinity” for their residential services, while the more niche telecom services like data transit and CDN service are sold under the “Comcast” brand name.
For Xfinity customers, this means that their data only travels on coaxial cables in the “last mile” between Xfinity’s local fiber lines and an individual subscriber residence. This final hop over coaxial functions as a bottleneck, particularly on upload speeds. However, since it’s a relatively short hop, the speeds offered by Xfinity are much higher than more limited technologies like DSL (Digital Subscriber Line), and in many cases, the download speeds come close to those offered by pure Fiber to the Home (FTTH) providers.
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Xfinity Pricing
Xfinity from Comcast offers three primary services:
- Internet service: Xfinity offers broadband cable internet with speeds commonly in the 100 to 1,000 Mbps range.
- Television service: Xfinity offers digital cable TV, as well as the smart TV platform Xfinity X1.
- Phone service: Xfinity offers digital voice (VoIP) landline phone service throughout their coverage area.
Xfinity also offers a home security suite called Xfinity Home. This service is a “smart home” technology that makes an alarm system and security camera network available and controllable from a subscriber’s mobile devices. Xfinity Home also integrates closely with their next-gen TV offering, Xfinity X1, which allows you to manage the system through your TV or by voice using the X1 remote.
Recently, Xfinity has been upgrading their digital cable TV offerings to a smart TV platform called Xfinity X1, which they describe as an “entertainment operating system.” X1 is available in most parts of the Comcast coverage map. The X1 TV service is centered around an all-in-one DVR set-top TV box that combines your internet and TV service into one interface and makes it accessible from all the TVs in your home. Xfinity X1 features Netflix integration and Xfinity’s own on-demand content library. Visit our Xfinity plans and pricing page for more details on pricing, as well as any extra fees you may incur.
Xfinity’s Customer Satisfaction
Comcast has a relatively low reputation for customer service, although approval ratings and reviews have been improving since the launch of the Xfinity brand in 2010. Xfinity comfortably holds the 8th position in our top 10 providers list based on our most recent survey.
In order to handle the customer service needs of their enormous subscriber base, the company uses local and nationally based call centers, tech support operators, as well as international call centers, depending on the customer issue.
Xfinity uses a combination of contractors and employees to handle on-site installation and maintenance of residential services. Xfinity maintains a variety of departments for handling calls, both domestically and overseas. However, the main customer service line for residential customers is (800) 934-6489. Xfinity business internet customers can call (800) 391-3000 for support.
Availability by State
| Alabama | 854,771 | 3000mbps |
| Arizona | 341,435 | 3000mbps |
| Arkansas | 395,352 | 3000mbps |
| California | 12,118,146 | 3000mbps |
| Colorado | 3,918,582 | 3000mbps |
| Connecticut | 1,924,868 | 3000mbps |
| Delaware | 766,123 | 3000mbps |
| District of Columbia | 596,044 | 3000mbps |
| Florida | 10,306,984 | 3000mbps |
| Georgia | 5,700,632 | 3000mbps |
| Idaho | 1,181 | 3000mbps |
| Illinois | 9,896,934 | 3000mbps |
| Indiana | 3,830,913 | 3000mbps |
| Kansas | 127,447 | 3000mbps |
| Kentucky | 243,253 | 3000mbps |
| Louisiana | 529,061 | 3000mbps |
| Maine | 104,385 | 3000mbps |
| Maryland | 5,096,611 | 3000mbps |
| Massachusetts | 5,563,584 | 3000mbps |
| Michigan | 6,083,459 | 3000mbps |
| Minnesota | 2,428,828 | 3000mbps |
| Mississippi | 975,580 | 3000mbps |
| Missouri | 322,070 | 3000mbps |
| New Hampshire | 957,837 | 3000mbps |
| New Jersey | 4,855,291 | 3000mbps |
| New Mexico | 1,176,815 | 3000mbps |
| New York | 114,472 | 3000mbps |
| North Carolina | 7,536 | 3000mbps |
| Ohio | 169,481 | 3000mbps |
| Oregon | 2,277,942 | 3000mbps |
| Pennsylvania | 9,026,915 | 3000mbps |
| South Carolina | 621,430 | 3000mbps |
| Tennessee | 3,629,821 | 3000mbps |
| Texas | 5,241,041 | 3000mbps |
| Utah | 2,232,509 | 3000mbps |
| Vermont | 456,145 | 3000mbps |
| Virginia | 3,808,332 | 3000mbps |
| Washington | 4,988,576 | 3000mbps |
| West Virginia | 531,389 | 3000mbps |
| Wisconsin | 78,718 | 3000mbps |
Cities and Towns XFINITY from Comcast Has Coverage
- Dothan, AL
- Florence, AL
- Gadsden, AL
- Huntsville, AL
- Madison, AL
- Mobile, AL
- Tuscaloosa, AL
- Little Rock, AR
- North Little Rock, AR
- Tucson, AZ
- Alameda, CA
- Antioch, CA
- Berkeley, CA
- Brentwood, CA
- Carmichael, CA
- Castro Valley, CA
- Chico, CA
- Citrus Heights, CA
- Clovis, CA
- Concord, CA
- Cupertino, CA
- Daly City, CA
- Danville, CA
- Davis, CA
- Elk Grove, CA
- Fairfield, CA
- Folsom, CA
- Fremont, CA
- Fresno, CA
- Hanford, CA
- Hayward, CA
- Livermore, CA
- Lodi, CA
- Lompoc, CA
- Madera, CA
- Manteca, CA
- Merced, CA
- Milpitas, CA
- Modesto, CA
- Mountain View, CA
- Napa, CA
- Novato, CA
- Oakland, CA
- Palo Alto, CA
- Petaluma, CA
- Pittsburg, CA
- Pleasanton, CA
- Rancho Cordova, CA
- Redwood City, CA
- Richmond, CA
- Rocklin, CA
- Roseville, CA
- Sacramento, CA
- Salinas, CA
- San Francisco, CA
- San Jose, CA
- San Leandro, CA
- San Mateo, CA
- San Pablo, CA
- San Rafael, CA
- San Ramon, CA
- Santa Clara, CA
- Santa Cruz, CA
- Santa Maria, CA
- Santa Rosa, CA
- South San Francisco, CA
- Stockton, CA
- Sunnyvale, CA
- Tracy, CA
- Tulare, CA
- Union City, CA
- Vacaville, CA
- Vallejo, CA
- Visalia, CA
- Walnut Creek, CA
- Watsonville, CA
- Yuba City, CA
- Arvada, CO
- Aurora, CO
- Boulder, CO
- Brighton, CO
- Broomfield, CO
- Castle Rock, CO
- Colorado Springs, CO
- Denver, CO
- Englewood, CO
- Fort Collins, CO
- Golden, CO
- Greeley, CO
- Littleton, CO
- Longmont, CO
- Loveland, CO
- Parker, CO
- Pueblo, CO
- Bristol, CT
- Danbury, CT
- Hamden, CT
- Hartford, CT
- New Britain, CT
- New Haven, CT
- Waterbury, CT
- West Hartford, CT
- West Haven, CT
- Washington, DC
- Dover, DE
- New Castle, DE
- Newark, DE
- Wilmington, DE
- Boca Raton, FL
- Bonita Springs, FL
- Boynton Beach, FL
- Brandon, FL
- Cape Coral, FL
- Clermont, FL
- Deerfield Beach, FL
- Delray Beach, FL
- Fort Lauderdale, FL
- Fort Myers, FL
- Fort Pierce, FL
- Hialeah, FL
- Hollywood, FL
- Homestead, FL
- Jacksonville, FL
- Jupiter, FL
- Kissimmee, FL
- Lake City, FL
- Lake Worth, FL
- Leesburg, FL
- Lehigh Acres, FL
- Miami, FL
- Miami Beach, FL
- Naples, FL
- North Port, FL
- Ocala, FL
- Opa Locka, FL
- Orange Park, FL
- Orlando, FL
- Palm Beach Gardens, FL
- Panama City, FL
- Plant City, FL
- Pompano Beach, FL
- Port Charlotte, FL
- Port Saint Lucie, FL
- Punta Gorda, FL
- Saint Augustine, FL
- Saint Cloud, FL
- Sarasota, FL
- Stuart, FL
- Tallahassee, FL
- Valrico, FL
- Venice, FL
- Vero Beach, FL
- Wellington, FL
- West Palm Beach, FL
- Winter Park, FL
- Acworth, GA
- Alpharetta, GA
- Athens, GA
- Atlanta, GA
- Augusta, GA
- Brunswick, GA
- Buford, GA
- Canton, GA
- Carrollton, GA
- Cartersville, GA
- Conyers, GA
- Covington, GA
- Cumming, GA
- Dallas, GA
- Decatur, GA
- Douglasville, GA
- Duluth, GA
- Fayetteville, GA
- Gainesville, GA
- Griffin, GA
- Jonesboro, GA
- Kennesaw, GA
- Lawrenceville, GA
- Lilburn, GA
- Lithonia, GA
- Loganville, GA
- Marietta, GA
- Mcdonough, GA
- Newnan, GA
- Norcross, GA
- Powder Springs, GA
- Riverdale, GA
- Rome, GA
- Roswell, GA
- Savannah, GA
- Smyrna, GA
- Snellville, GA
- Stockbridge, GA
- Stone Mountain, GA
- Suwanee, GA
- Woodstock, GA
- Arlington Heights, IL
- Aurora, IL
- Berwyn, IL
- Bloomington, IL
- Bolingbrook, IL
- Champaign, IL
- Chicago, IL
- Chicago Heights, IL
- Cicero, IL
- Crystal Lake, IL
- Decatur, IL
- Des Plaines, IL
- Downers Grove, IL
- Elgin, IL
- Evanston, IL
- Glenview, IL
- Joliet, IL
- Lombard, IL
- Mchenry, IL
- Mount Prospect, IL
- Naperville, IL
- Normal, IL
- Oak Lawn, IL
- Oak Park, IL
- Orland Park, IL
- Palatine, IL
- Peoria, IL
- Plainfield, IL
- Quincy, IL
- Rockford, IL
- Round Lake, IL
- Saint Charles, IL
- Schaumburg, IL
- Skokie, IL
- Springfield, IL
- Tinley Park, IL
- Waukegan, IL
- Wheaton, IL
- Anderson, IN
- Bloomington, IN
- Carmel, IN
- Columbus, IN
- Crown Point, IN
- Elkhart, IN
- Fishers, IN
- Fort Wayne, IN
- Gary, IN
- Goshen, IN
- Greenwood, IN
- Hammond, IN
- Indianapolis, IN
- Kokomo, IN
- Lafayette, IN
- Mishawaka, IN
- Muncie, IN
- Noblesville, IN
- South Bend, IN
- Valparaiso, IN
- West Lafayette, IN
- Olathe, KS
- Paducah, KY
- Houma, LA
- Monroe, LA
- Shreveport, LA
- West Monroe, LA
- Boston, MA
- Brockton, MA
- Cambridge, MA
- Dorchester, MA
- Fall River, MA
- Framingham, MA
- Haverhill, MA
- Lawrence, MA
- Lowell, MA
- Lynn, MA
- Malden, MA
- Medford, MA
- New Bedford, MA
- Plymouth, MA
- Quincy, MA
- Revere, MA
- Somerville, MA
- Springfield, MA
- Waltham, MA
- Annapolis, MD
- Baltimore, MD
- Bel Air, MD
- Bethesda, MD
- Bowie, MD
- Columbia, MD
- Dundalk, MD
- Ellicott City, MD
- Frederick, MD
- Gaithersburg, MD
- Germantown, MD
- Glen Burnie, MD
- Hyattsville, MD
- Laurel, MD
- Owings Mills, MD
- Parkville, MD
- Pasadena, MD
- Rockville, MD
- Salisbury, MD
- Silver Spring, MD
- Upper Marlboro, MD
- Waldorf, MD
- Westminster, MD
- Ann Arbor, MI
- Battle Creek, MI
- Canton, MI
- Clinton Township, MI
- Dearborn, MI
- Dearborn Heights, MI
- Detroit, MI
- East Lansing, MI
- Farmington, MI
- Flint, MI
- Grand Rapids, MI
- Holland, MI
- Howell, MI
- Jackson, MI
- Kalamazoo, MI
- Lansing, MI
- Livonia, MI
- Macomb, MI
- Monroe, MI
- Muskegon, MI
- New Baltimore, MI
- Pontiac, MI
- Redford, MI
- Rochester, MI
- Royal Oak, MI
- Saint Clair Shores, MI
- Southfield, MI
- Sterling Heights, MI
- Taylor, MI
- Troy, MI
- Utica, MI
- Warren, MI
- Waterford, MI
- West Bloomfield, MI
- Westland, MI
- Wyoming, MI
- Ypsilanti, MI
- Burnsville, MN
- Eden Prairie, MN
- Minneapolis, MN
- Osseo, MN
- Saint Paul, MN
- Blue Springs, MO
- Independence, MO
- Kansas City, MO
- Lees Summit, MO
- Brandon, MS
- Hattiesburg, MS
- Jackson, MS
- Meridian, MS
- Manchester, NH
- Nashua, NH
- Brick, NJ
- Camden, NJ
- Cherry Hill, NJ
- East Orange, NJ
- Elizabeth, NJ
- Freehold, NJ
- Irvington, NJ
- Jersey City, NJ
- Perth Amboy, NJ
- Plainfield, NJ
- Princeton, NJ
- Toms River, NJ
- Trenton, NJ
- Union, NJ
- Vineland, NJ
- Albuquerque, NM
- Farmington, NM
- Las Cruces, NM
- Santa Fe, NM
- Albany, OR
- Beaverton, OR
- Corvallis, OR
- Eugene, OR
- Gresham, OR
- Hillsboro, OR
- Oregon City, OR
- Portland, OR
- Salem, OR
- Springfield, OR
- Bensalem, PA
- Carlisle, PA
- Chambersburg, PA
- Coatesville, PA
- Greensburg, PA
- Harrisburg, PA
- Johnstown, PA
- Lancaster, PA
- Lansdale, PA
- Lebanon, PA
- Levittown, PA
- Mechanicsburg, PA
- New Castle, PA
- Norristown, PA
- Philadelphia, PA
- Pittsburgh, PA
- Pottstown, PA
- Reading, PA
- Scranton, PA
- State College, PA
- West Chester, PA
- Wilkes Barre, PA
- Williamsport, PA
- York, PA
- Charleston, SC
- Goose Creek, SC
- Mount Pleasant, SC
- North Charleston, SC
- Summerville, SC
- Antioch, TN
- Chattanooga, TN
- Clarksville, TN
- Cordova, TN
- Franklin, TN
- Hendersonville, TN
- Johnson City, TN
- Knoxville, TN
- Lebanon, TN
- Maryville, TN
- Memphis, TN
- Murfreesboro, TN
- Nashville, TN
- Baytown, TX
- Conroe, TX
- Cypress, TX
- Houston, TX
- Humble, TX
- Katy, TX
- Kingwood, TX
- League City, TX
- Magnolia, TX
- Missouri City, TX
- Pasadena, TX
- Pearland, TX
- Richmond, TX
- Spring, TX
- Sugar Land, TX
- Tomball, TX
- Clearfield, UT
- Layton, UT
- Logan, UT
- Ogden, UT
- Orem, UT
- Provo, UT
- Salt Lake City, UT
- Sandy, UT
- West Jordan, UT
- Alexandria, VA
- Arlington, VA
- Ashburn, VA
- Blacksburg, VA
- Charlottesville, VA
- Danville, VA
- Falls Church, VA
- Fredericksburg, VA
- Glen Allen, VA
- Harrisonburg, VA
- Henrico, VA
- Leesburg, VA
- Lynchburg, VA
- Manassas, VA
- Mechanicsville, VA
- Midlothian, VA
- Petersburg, VA
- Reston, VA
- Richmond, VA
- Roanoke, VA
- Stafford, VA
- Sterling, VA
- Winchester, VA
- Woodbridge, VA
- Auburn, WA
- Bellevue, WA
- Bellingham, WA
- Bothell, WA
- Bremerton, WA
- Edmonds, WA
- Everett, WA
- Federal Way, WA
- Kent, WA
- Kirkland, WA
- Lakewood, WA
- Lynnwood, WA
- Marysville, WA
- Olympia, WA
- Puyallup, WA
- Redmond, WA
- Renton, WA
- Seattle, WA
- Snohomish, WA
- Spokane, WA
- Tacoma, WA
- Vancouver, WA
- Huntington, WV
- Martinsburg, WV
- Morgantown, WV
