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7 Cheapest VoIP Phone Services of 2026

By the Rankozo research desk · Updated November 6, 2026

Among the 9 tools in our best voip phone services ranking, Vonage Business Communications has the lowest verified paid starting price at $13.99 per line per month. Prices below are quoted from each vendor's US pricing page.

  1. 01

    Vonage Business Communications

    Small businesses that want the lowest first-year price per line.

    Mobile $13.99 per line per month for the first 12 months (regular $19.99), plus taxes and fees; Premium $20.99; Advanced $27.99

    Full entry, No. 6 overall

    Starts at

    $13.99

    Score 8.1

  2. 02

    Dialpad

    Small teams that want AI call summaries included in the entry price.

    Standard from $15 per user per month billed annually ($27 monthly); Pro $25; Enterprise custom

    Full entry, No. 1 overall

    Starts at

    $15

    Score 8.8

  3. 03

    Quo

    Owner-run and small teams that call and text customers in the US and Canada.

    Starter from $15 per user per month billed annually ($19 monthly); Business $33 and Scale $47 monthly

    Full entry, No. 2 overall

    Starts at

    $15

    Score 8.7

  4. 04

    Nextiva

    Small teams that want phone, texting and a basic CRM and ticketing system in one plan.

    NEXT Core from $15 per user per month billed annually ($23 monthly); NEXT Engage $25; NEXT Scale $75

    Full entry, No. 3 overall

    Starts at

    $15

    Score 8.6

  5. 05

    Ooma Office

    Very small businesses that want a phone system without an annual contract.

    Essentials $19.95 per user per month with no contract; Pro $24.95; Pro Plus $29.95

    Full entry, No. 4 overall

    Starts at

    $19.95

    Score 8.5

  6. 06

    RingCentral RingEX

    Growing businesses with several sites that want the deepest feature set.

    Core from $20 per user per month billed annually ($30 monthly); Advanced $25; Ultra $35

    Full entry, No. 5 overall

    Starts at

    $20

    Score 8.4

  7. 07

    Aircall

    Sales and support teams of three or more that work from a CRM or help desk.

    Essentials from $30 per license per month billed annually, 3-license minimum; Professional $50

    Full entry, No. 8 overall

    Starts at

    $30

    Score 7.9

Scores and prices come from our Best VoIP Phone Services ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com