209 Area Code: California Central Valley Phone Numbers (Stockton, Modesto, Merced) + 350 Overlay
Get 209 area code info for Stockton, Modesto, Merced. Learn about 350 overlay, 10-digit dialing rules, coverage maps, and how to get local phone numbers.
Frequently Asked Questions
What cities are covered by area code 209 in California's Central Valley?
When did area code 350 become an overlay for area code 209?
Why was area code 350 added to the 209 region?
What is the correct dialing procedure for calls within area codes 209 and 350?
What is the North American Numbering Plan (NANP) and how does it relate to area code 209?
When did area code 209 become operational in California?
What area code was created from part of the 209 area code in 1998?
When did mandatory 10-digit dialing begin for area code 209?
Who regulates area codes like 209 and 350 in California?
Which major telecommunication carriers provide service in the 209 area code?
What are some best practices for businesses using area codes 209 and 350?
