General Details about Prefix 657-859

State / Province / Territory : CA
Primary City : Rancho Santa Margarita
Please note that information shown about the location of the 657-859 area code and prefixes is an approximation. The reason is due to the number of local number portability rules (LNP), wireless devices and VoIP, the location may vary significantly in some cases. Phone numbers listed on this page typically originate from Rancho Santa Margarita CA.

657-859 Caller Map

Phone Number Ranges with a 657 Areacode & 859 Prefix