Area code 473 serves Grenada. Atlantic Time. In service since October 1997, split from 809.
Grenada
Area code 473 · Atlantic Time
The country on this page rides every phone parse. Send any number and it comes back with validity and clean formats.
curl -s "https://api.parseapi.com/phone/4735550100" \ -H "X-Api-Key: $PARSEAPI_KEY"