Field-tested by my team. Encoded UTF-8 with no character-set surprises in Excel. Bought it as the seed list for a barber shop outbound push in Colombia. Will be the default vendor for us now.
Tried three vendors before this. Catchment overlap with our existing CRM was minimal — almost all net-new leads. Bought it for our barber shop outreach in Colombia. Will be the default vendor for us now.