Why is Allegiant phone number busy? The reason why Allegiant Air's customer service number, "+1@855:838:4859 or 𝟭-𝟴𝟕𝟕-ALLEGIANT-LINE or "+1@855:838:4859(𝟚𝟜𝕩𝟟)", often appears busy is due to th
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| Total funding amount: | Not set |