North American area code +1 909 is in Southern California, including San Bernardino and Ontario, California, but not including any part of Canada.
Ontario, Canada, has the following area codes, as of 2013:
There is no area code 621 in North America (USA, Canada, etc.).
Area code 973 is in northern New Jersey. The 973-627 prefix is in Rockaway.
There is no area code +1 464 in North America (USA, Canada, etc.). International country code +46 is Sweden.
Area code 877 is toll-free. It could be anywhere in North America (USA, Canada, etc.), or it could even be an overseas call center taking calls from North America.
There is no area code 632 in North America (USA, Canada, etc.).There is also no 632 prefix in area code 908.(information current as of 2012-10-16)
Area code 415 serves San Francisco and Marin County, California, but there is no 138 prefix. Telephone prefixes in North America (USA, Canada, etc.) cannot begin with 1.
In North America (USA, Canada, etc.), area code 778 serves the entire Canadian province of British Columbia. The 778-960 prefix serves Richmond, B.C., near Vancouver.
Area code +1 424 is in the Los Angeles area, including Malibu, Santa Monica, and LAX Airport. Area code +1 424 is an overlay on area code +1 310, serving the same communities. The (424) 234 prefix is in Malibu, California.
There is no area code 338 in North America (USA, Canada, etc.).
There is no area code 525 in North America (USA, Canada, etc.).
There is no area code 483 in North America (USA, Canada, etc.). International country code +48 is Poland.
In North America (USA, Canada, etc.), area code +1 512 is the area around Austin, Texas, USA. The 512-753 prefix serves San Marcos, Texas.