Business phone service

    Business VoIP phone service in Denver, CO

    Get a local Denver, CO business number on XI. Cloud VoIP calling, SMS, and call routing from the same line. Common area codes include 303, 720.

    • Local Denver, CO caller ID (303, 720)
    • HD calling, SMS, and voicemail — included on published XI plans
    • Set up in the cloud, no on-site PBX hardware

    Powering conversations for 11,000+ teams

    SIPERB
    Siperb logo
    Verizon
    Verizon logo
    T-Mobile
    T-Mobile logo
    AT&T
    AT&T logo
    vodafone
    Vodafone logo
    Spectrum
    Spectrum logo
    orange
    Orange logo
    ROGERS
    Rogers logo
    BT
    BT logo
    SIPERB
    Siperb logo
    Verizon
    Verizon logo
    T-Mobile
    T-Mobile logo
    AT&T
    AT&T logo
    vodafone
    Vodafone logo
    Spectrum
    Spectrum logo
    orange
    Orange logo
    ROGERS
    Rogers logo
    BT
    BT logo
    SIPERB
    Siperb logo
    Verizon
    Verizon logo
    T-Mobile
    T-Mobile logo
    AT&T
    AT&T logo
    vodafone
    Vodafone logo
    Spectrum
    Spectrum logo
    orange
    Orange logo
    ROGERS
    Rogers logo
    BT
    BT logo
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    Local presence in Denver, CO

    Show a Denver, CO area code so local customers know who is calling. Common area codes include 303, 720.

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    Nearby markets

    Also pick numbers for Colorado Springs, CO, Colorado, Fort Collins, CO on the same XI account.

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    Cloud calling and SMS

    Place Denver, CO calls and two-way texts from iOS, Android, desktop, or the browser.

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    Virtual receptionist

    XI greets Denver, CO callers, routes by menu or schedule, and keeps a record of the conversation.

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    Call routing

    Ring the right Denver, CO teammate by hours, simultaneous ring, or sequential ring.

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    Move your number

    Port a Denver, CO number to XI. Call forwarding stays on during the transfer.