Area Code 557
Area Code 557 History:
Not yet in Service
The Missouri Public Service Commission approved area code 557 was as an all services overlay of area area 314 on October 24, 2000.
On September 25, 2001, the Commission indefinitely suspended the implementation of area code 557 due to a decrease in demand for new phone service in the 314 area code. It is anticipated it may be 2024 before area code 283 will be placed into service.
Counties in Missouri within area code 557 will include:
Saint Louis County.
Major cities or places in Missouri within area code 557will include:
Area code 557 will serve St. Louis and the larger suburb communities of Ferguson, Florissant, Hazelwood, Kirkwood, Maryland Heights, Mehville, Oakville, Overland, Spanish Lake, St. Louis, University City and Webster Grove, as well as, many smaller communities near St. Louis.