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Area code 513

Area code 513 Cincinnati, Ohio

Area code 513 is one of the original 1947 area codes, in Ohio, with numbers assigned in Cincinnati, Hamilton, Middletown and 15 more places. It’s 12:13 AM there now.

State
Ohio15 area codes in Ohio
Time zone
Eastern12:13 AM there now
Exchanges
78418 places
Overlay
283Same area, 10-digit dialing
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Where area code 513 is

Numbers in 513 are assigned to 18 places in 5 counties: Hamilton County, Butler County, Warren County, Clermont County and Brown County.

Cincinnati holds most of them: 64% of the exchanges.

  • Cincinnati502
  • Hamilton55
  • Middletown38
  • Mason21
  • Lebanon18
  • Oxford13
  • Harrison8
  • Seven Mile8
  • Bethel6
  • Williamsburg6
  • Monroe6
  • South Lebanon4
  • Trenton4
  • Felicity3
  • Morrow3
  • Waynesville3
  • Fayetteville1
  • Butlerville1

Phone companies in 513

784 blocks of numbers in 513 are held by 40 phone companies. The most belong to altafiber (262), Verizon Wireless (125) and T-Mobile (87).

A mix: about 34% wireless, 38% local phone and cable and 28% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

513 has been in service since 1947, when the first North American area codes were set up.

283 (since 2023) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

42 new exchanges were assigned since 2021, the latest in February 2024.

Calling 513

It’s 12:13 AM Eastern time in 513 right now.

From elsewhere in the U.S., dial 1, 513 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Ohio has 15 area codes: 216, 220, 234, 283, 326, 330, 380, 419, 436, 440, 513, 567, 614, 740 and 937.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 513 area code

Map of the 513 area code around Cincinnati, Hamilton and Middletown, Ohio.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 513

Where is area code 513?

In Ohio, covering Cincinnati, Hamilton and Middletown and other places across 5 counties.

What time zone is 513 in?

Eastern time. It was 12:13 AM there when this page loaded.

Is 513 an overlay?

Yes. 283 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 513 numbers?

40 companies hold blocks; the most belong to altafiber, Verizon Wireless and T-Mobile. About 34% of blocks are wireless.

Is 513 running out of numbers?

Not on record. 42 new exchanges have been assigned since 2021.