Fairfield, Ohio
Eastern Time Zone (UTC-5) · OH · —
About Area Codes in Fairfield, Ohio
Fairfield, Ohio is served by 2 area codes: 513, 283. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Fairfield require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Other cities in area code 513
Frequently Asked Questions
What area code is Fairfield, Ohio?
Fairfield, Ohio uses area codes 513 and 283.
What time zone is Fairfield in?
Fairfield is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Fairfield?
Yes, all local calls in Fairfield require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 513 created?
Area code 513 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 513 with Fairfield?
Other cities sharing area code 513 with Fairfield include Cincinnati, Hamilton, Lebanon, Loveland, Mason, among others.
Also called Fairfield:
Fairfield, OH · Eastern Time Zone