2. ...
  3. 370 Prefixes

370 Area Code Phone Directory

Phone Prefixes in the 370 Area Code

(370) 2XX (370) 3XX (370) 4XX (370) 5XX (370) 6XX (370) 7XX (370) 8XX (370) 9XX

Information for Area Code 370

State: CA
Largest City in Area: EUREKA

Where is Area Code 370?

Area code (370) is in the state of CA. Below, are the major cities in the area code (370).

Area Codes Starting with 3

Major Cities in 370

EUREKA, CA (55)
LAS VEGAS, NV (46)
LOS ANGELES, CA (33)
AHOSKIE, NC (23)
MCKINLEYVILLE, CA (21)
ARCATA, CA (17)
FORTUNA, CA (15)
OWENSBORO, KY (14)
SANTA ROSA, CA (13)
SHELBY, NC (13)