The East Bay 510 Consist of Oakland, Berkley, Richtown, Alameda, Haystack, San Leandro, Union City, Fremont, Newark, Milpitas... The West Bay 415 Consist of San Fransico or "the sco", San Matao, East Palo Alto, Sunnyvale, Daily City, Redwood City... The South Bay 408 Is like San Jose and Santa Clara area... Or North Bay 707 Vallejo area... These are Just the citys I have explored growin up there is prolly a few I missed but your town wasn't important enough to make it so die you beezy.
"Since '84 I been out there gettin my doe, from the Sco to O to Vallejo gettin richer than rich in san jo..."
-R.I.P. Mac Dre