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