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US area code · Ohio

Area code 513

Where the 513 area code is, its overlay and how to dial a +1 513 number from anywhere.

CoversCincinnati, OhioTime zoneEastern (ET)TypeOverlay
Quick answer

The 513 area code is in Cincinnati, Ohio, United States (Eastern (ET)). To call from abroad: +1 513 555-0123. It is an overlay, so all 10 digits are dialled.

StateOhio
Main areaCincinnati
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since01-Jan-1947

The 513 area code is a geographic North American Numbering Plan (NANP) code covering Cincinnati, Ohio. It has been in service since 01-Jan-1947 and sits in the Eastern (ET) time zone.

Overlay 513 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

513283

How to dial a 513 number

From abroad+1 513 555-0123
Within the US / Canada1 513 555-0123
Locally (same area)513 555-0123

Cities in the 513 area code

A 513 number is usually in one of these places in Ohio — 3 counties.

Cincinnati Clermont;HamiltonFairfield ButlerHamilton ButlerMason WarrenMiddletown ButlerNorwoodOxford Butler

Other Ohio area codes

216220234283326330380419436440567614740937

Frequently asked questions

Where is the 513 area code?

The 513 area code is in Cincinnati, Ohio, United States (Eastern (ET)).

Is 513 an overlay area code?

Yes. 513 overlays the same region as 283, so callers dial all 10 digits.

Do I have to dial 10 digits for 513?

Yes — dial the area code plus the seven-digit number.

How do I call a 513 number from another country?

Dial your exit code (or +), then 1, then 513, then the number: +1 513 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 513 number does not pinpoint a street or ZIP code.

Missed a call from +1 513?

In the 30 days to September 24, 2026, 710 unwanted calls showing a 513 number were reported to the US Federal Trade Commission, 58% of them recorded messages or robocalls. That puts 513 at #104 of 670 area codes reported.

Other339
Medical & prescriptions75
Dropped call or no message69
Calls pretending to be government, businesses, or family and friends50
Before you call back
  • If you do not know anyone in Ohio, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 513 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 513 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 513:

Cincinnati Bell 251Cellco Partnership Dba Verizon Wireless 125T-Mobile USA, Inc. 79New Cingular Wireless PCS, LLC 55Level 3 Communications, LLC 39Onvoy, LLC 36

About 32.5% of the 799 prefixes in use belong to mobile carriers: a 513 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 513 — cities & rate centres