Locations

  • Partner with XO to create a voice and data communications solution to meet your company’s unique needs. XO operates its own Tier 1 IP network and serves exclusively businesses in over 85 major markets across the U.S.

    For service information and pricing request information call 866-349-0134 for business services or 800-474-1763 for carrier services.

  • Arizona

    Phoenix
    3930 East Watkins Street 
    Suite 200 
    Phoenix, AZ 85034 
    (602) 324-6398

    California

    Los Angeles/Santa Ana
    XO Communications
    818 West 7th Street
    Suite 980
    Los Angeles, CA 90017
    (213) 607-8000

    XO Communications
    1924 East Deere Ave 
    Ste. 110
    Santa Ana, CA 92705 
    (949) 417-7158

    San Diego
    XO Communications
    5771 Copley Drive
    San Diego, CA 92111
    (858) 244-4000

    Sacramento Area
    XO Communications
    1390 Lead Hill Blvd
    Roseville, CA 95661
    (408) 817-2800

    San Francisco Bay Area
    XO Communications
    855 Mission Court
    Building 1
    Fremont, CA 94539
    (408) 817-2800

    XO Communications
    55 Almaden Blvd
    Suite 700
    San Jose CA 95113
    (408) 817-2800

    XO Communications
    12667 Alcosta Blvd
    Suite 350
    San Ramon CA 94583
    (408) 817-2800

    XO Communications
    651 Brannan St
    Suite 310
    San Francisco, CA 94107
    (408) 817-2800

    Colorado

    Denver
    XO Communications
    1660 Lincoln Street
    Suite 2600
    Denver, CO 80264
    (303) 539-1203

    Florida

    Miramar
    XO Communications
    3100 SW 145th Avenue, Suite 310
    Miramar, FL 33027
    (305) 670-5677

    Tampa
    XO Communications
    5904 A Hampton Oaks Parkway
    Tampa, FL 33610
    (813) 301-4000

    Georgia

    Atlanta
    XO Communications
    4000 Highlands Parkway SE
    Smyrna, GA 30082
    (678) 433-5783

    Illinois

    Chicago
    XO Communications
    810 Jorie Boulevard
    Oak Brook, IL 60523
    (630) 371-3100

    XO Communications
    233 South Wacker, 35th Floor
    Chicago, IL 60606
    (312) 377-1000

    Maryland

    Baltimore
    XO Communications
    1302 Concourse Drive
    Suite 200
    Linthicum, MD 21090
    (717) 441-5832

    Massachusetts

    Boston
    XO Communications
    1601 Trapelo Road, Suite 135
    Waltham, MA 02451
    (781) 693-3900

    Michigan

    Detroit
    XO Communications
    21555 Melrose Ave, Suite 7
    Southfield, MI 48075
    (248) 415-5900

    Minnesota

    Minneapolis
    XO Communications
    1200 Washington Avenue North
    Minneapolis, MN 55401
    (612) 338-7977

    Missouri

    St. Louis
    XO Communications
    2020 Westport Center Dr
    St. Louis, MO 63146
    (314) 787-7663

    Nevada
    Las Vegas
    XO Communications
    2240 Corporate Circle
    Suite 100
    Henderson, NV 89014
    (702) 990-1000

    New Jersey

    Pennsauken
    XO Communications
    4350 Haddenfield Road
    Suite 102
    Pennsauken, NJ 08109
    (856) 773-5000

    New York

    New York
    XO Communications
    40 Wall Street, 16th Floor
    New York, NY 10005 
    (248) 415-5903

    Rochester
    XO Communications
    370 Woodcliff Drive
    Suite 105
    Fairport, NY 14450
    (248) 415-5903

    North Carolina

    Charlotte
    XO Communications
    301 S. McDowell
    Charlotte, NC 28204
    (980) 225-5065

    Ohio

    Columbus
    XO Communications
    4449 Easton Way
    Suite 150
    Columbus, OH 43219
    (614) 629-3200

    Cleveland
    XO Communications
    3 Summit Park Dr
    Suite 750
    Independence, OH 44131
    (216) 619-3200

    Oregon

    Portland
    XO Communications
    9000 SW Nimbus Ave.
    Beaverton, OR 97008
    (509) 444-8500

    Pennsylvania

    Allentown
    XO Communications
    974 Marcon Blvd.
    Suite 140
    Allentown, PA 18109
    (610) 862-5200

    Conshohocken
    555 North Lane
    Suite 6020
    Conshohocken, PA 19428
    (717) 441-9900

    Plymouth Meeting
    XO Communications
    450 Plymouth Road
    Suite 100
    Plymouth Meeting, PA 19462
    (610) 862-5200

    Harrisburg
    XO Communications
    991 Peiffers Lane
    Harrisburg, PA 17109
    (717) 441-9900

    Pittsburgh
    XO Communications
    Allegheny Center Mall
    Suite 03
    Pittsburgh, PA 15212
    (248) 415-5903

    Wyomissing
    XO Communications
    1220 Broadcasting Road
    Wyomissing, PA 19610 
    (610) 288-5363

    Texas

    Austin
    XO Communications
    2100 South IH-35
    Austin, Texas 78704
    (512) 692-1000

    Dallas
    XO Communications
    1300 West Mockingbird Lane
    Suite 200
    Dallas, TX 75247
    (214) 237-7700

    Houston
    XO Communications
    2401 Portsmouth 
    Houston, TX 77098
    (832) 200-2000

    San Antonio
    XO Communications
    1030 Central Parkway South
    San Antonio, TX 78209
    (210) 587-0100

    Tennessee

    Memphis
    XO Communications
    5127 Truse Road
    Memphis, TN 38117
    (901) 888-8930

    Nashville
    XO Communications
    105 Molloy Street
    Suite 300 
    Nashville, TN 37201
    (612) 338-7977

    Utah

    Salt Lake
    XO Communications
    7050 Union Park Center
    Suite 400
    Midvale, UT 84047
    (801) 983-1600

    Washington

    Seattle
    XO Communications
    1000 Denny Way
    Suite 200
    Seattle, WA 98109
    (206)-315-5084

    Spokane
    XO Communications
    1330 N. Washington Avenue
    Suite 5000
    Spokane, WA 99201
    (509) 444-8500

    Washington DC Metro Area
    DC / VA / MD
    Headquarters
    XO Communications
    13865 Sunrise Valley Drive
    Herndon, VA 20171
    (703) 547-2217

    XO Communications
    1302 Concourse Drive
    Suite 200
    Linthicum, MD 21090
    (717) 441-5832

    XO Communications
    4301 Connecticut Ave
    NW Van Ness Center Mezzanine – 3
    Washington, DC 20008
    (202) 207-9904

  • IP Network Image 940x727