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  3. Area code 513
Ohio (OH)Eastern Time (ET)

Area Code 513

Ohio (OH) * Cincinnati, Hamilton, Middletown, Addyston, Amelia, Batavia, Bethel, Camp Dennison * Eastern Time (ET)

1.6M

Population

95

ZIP codes

Ohio

Primary state

Eastern Time (ET)

Time zones

What stands out

  • Coverage: 1.6M people across 95 ZIP codes.
  • Overlapping area codes: 283
  • Major cities: Cincinnati, Hamilton, Middletown.
Primary state:Ohio (OH)/Major cities:Cincinnati, Hamilton, Middletown, Addyston, Amelia, Batavia, Bethel, Camp Dennison

Browse sections

Basics

Percentiles compare this area code to other area codes nationwide.

Population

1.6M

ZIP codes

95

Median age

38.3 yrs

Population density

953.3/sq mi

Mean commute time

24 min

Avg. household size

2.4

Neighbors

Neighboring area codes

283326606765812859930937
Notes & Sources
  • Area-code boundaries can change over time; verify official assignments with NANPA for critical use.
  • In regions with overlapping area codes, new numbers may use a different code.
  • This page aggregates ZIP-based crosswalks for orientation and does not indicate phone-number availability.

Data freshness

ACS 5-year
2020–2024
Page updated
2026-02-23

Release schedule and upstream dates: Sources.

Data sources

U.S. Census (ACS 5-year)U.S. Census TIGER/LineNANPA

Derived statistics

  • Area codes are not Census geographies; statistics are estimated by aggregating ZCTA (ZIP) values for associated ZIPs.
  • ZIP↔area code associations are derived from NPA boundary polygons and ZCTA centroid points, and can be approximate.
  • Median age, mean commute, and household size are population-weighted; population density uses summed ZIP land area.
Area code overlays and service areas are primarily governed by NANPA; this page uses aggregated geographic overlays for orientation only.

Data accuracy & methodology

This report aggregates 2020–2024 ACS 5-year estimates and geographic overlays for orientation. Area code service areas can cross ZIP/state boundaries and change over time; verify official assignments with NANPA for critical use.