Hamilton, Ohio
Eastern Time Zone (UTC-5) · OH · —
About Area Codes in Hamilton, Ohio
Hamilton, 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 Hamilton 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 Hamilton, Ohio?
Hamilton, Ohio uses area codes 513 and 283.
What time zone is Hamilton in?
Hamilton is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Hamilton?
Yes, all local calls in Hamilton 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 Hamilton?
Other cities sharing area code 513 with Hamilton include Cincinnati, Fairfield, Lebanon, Loveland, Mason, among others.
Also called Hamilton:
Hamilton, OH · Eastern Time Zone