Right now the cheapest Instagram numbers are in Colombia ($0.12), Indonesia ($0.12), Brazil ($0.14); the most expensive market is Norway ($14.57). 31208521 numbers are in stock across 146 countries; prices and stock refresh automatically every hour.
Our own measurements: out of the last 24 Instagram activations, 0 received a code. Pairs with weak delivery get flagged in the catalog and demoted.