Area code 437 serves Ontario, Canada. Eastern Time. In service since March 2013 as an overlay of 416.
Ontario
Area code 437 · Canada · Eastern Time
The state and time zone on this page ride every phone parse. Send any number and they come back with validity, line type, and clean formats.
curl -s "https://api.parseapi.com/phone/4375550100" \ -H "X-Api-Key: $PARSEAPI_KEY"