Southwest Airlines OAK Terminal +1-888-839-0502 The generous baggage policy of Southwest Airlines OAK Terminal allows each traveler to check two bags for free, with additional pieces incurring costs. Personal items are allowed, however carry-on bags must adhere to size restrictions. Assistance for delayed or lost baggage can be obtained at the baggage claim office. For More : https://www.findallterminals.com/southwest-airlines/southwest-airlines-oak-terminal-oakland-international-airport/