Area Code 870

Arkansas

Area code 870 serves Arkansas, primarily Jonesboro, in the Central Time (CT) time zone. It has served the region since 14-Apr-1997.

Overlay Area Code

This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.

This area code shares its geographic region with: area code 327 (Jonesboro).

In service since: 14-Apr-1997

Learn more about overlay and split area codes →

Demographics & Economics

Total Population: 1,961,469
Population Density: 26 people/sq mi
below U.S. average (U.S.: 93 people/sq mi)
Median Household Income: $49,983
below U.S. median (U.S.: $75,144)
Poverty Rate: 19.0%
above U.S. average (U.S.: 11.5%)
Unemployment Rate: 6.1%
above U.S. average (U.S.: 3.6%)
Education Attainment: Bachelor's Degree+
17.1%
below U.S. average (U.S.: 33.7%)
High School or Lower
44.7%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the Statistics dashboard.

Time Zone

Central Time (CT)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Central Time (CT)

Prefix Utilization

Geographic Coverage

State

Major Cities

Jonesboro
Pine Bluff
Paragould
Texarkana
West Memphis
El Dorado
Marion
Harrison
Blytheville
Mountain Home
Batesville
Magnolia
Camden
Arkadelphia
Helena-West Helena
Hope
Monticello
Wynne
Stuttgart
Newport
Pocahontas
Trumann
Osceola
De Queen

and 365 more cities

Area Code 870 geographic coverage map (light mode)

Demographics

The estimated population served by area code 870 is approximately 1,961,469. The population density is 26 people per square mile, which is lower than the national average of 93. The median household income is $49,983, which is lower than the national median of $75,144. Approximately 17.1% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is lower than the national average. The poverty rate stands at 19.0%, which is higher than the national rate of 11.5%.

History

Area code 870 was established in 1997 as a geographic area code. It shares its territory with area code area code 327.

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 870).

County	Population	Share
Craighead, AR	164,201	8.4%
Greene, AR	103,518	5.3%
Jefferson, AR	90,025	4.6%
Marion, AR	81,591	4.2%
Lincoln, AR	77,025	3.9%
Grant, AR	61,538	3.1%
Union, AR	56,250	2.9%
Izard, AR	55,874	2.8%
Cleveland, AR	52,058	2.7%
Crittenden, AR	50,508	2.6%
Independence, AR	50,485	2.6%
Boone, AR	47,743	2.4%
Newton, AR	46,125	2.4%
Baxter, AR	45,052	2.3%
Miller, AR	43,832	2.2%
Mississippi, AR	43,261	2.2%
St. Francis, AR	42,093	2.1%
Drew, AR	36,923	1.9%
Hempstead, AR	34,865	1.8%
Ouachita, AR	33,276	1.7%
Lee, AR	32,664	1.7%
Sharp, AR	28,996	1.5%
Randolph, AR	28,833	1.5%
Calhoun, AR	28,190	1.4%
Columbia, AR	27,402	1.4%
Fulton, AR	27,392	1.4%
Poinsett, AR	27,124	1.4%
Clark, AR	24,941	1.3%
Cross, AR	24,261	1.2%
Dallas, AR	24,121	1.2%
Bradley, AR	23,899	1.2%
Woodruff, AR	23,873	1.2%
Carroll, AR	23,795	1.2%
Stone, AR	23,614	1.2%
Pike, AR	23,388	1.2%
Hot Spring, AR	22,805	1.2%
Lafayette, AR	22,614	1.2%
Prairie, AR	22,513	1.1%
Lawrence, AR	20,781	1.1%
Desha, AR	20,467	1.0%
Jackson, AR	19,988	1.0%
Ashley, AR	19,434	1.0%
Arkansas, AR	18,678	1.0%
Sevier, AR	18,005	0.9%
Howard, AR	17,924	0.9%
Nevada, AR	17,745	0.9%
Phillips, AR	17,021	0.9%
Clay, AR	16,169	0.8%
Little River, AR	14,859	0.8%
Lonoke, AR	13,037	0.7%
Searcy, AR	12,781	0.7%
Chicot, AR	11,419	0.6%
Montgomery, AR	10,853	0.6%
Monroe, AR	10,563	0.5%
Polk, AR	6,740	0.3%
Cleburne, AR	5,047	0.3%
Claiborne, LA	2,994	0.2%
Union, LA	2,994	0.2%
Taney, MO	2,640	0.1%
McCurtain, OK	2,012	0.1%
Van Buren, AR	1,444	0.1%
Pope, AR	613	0.0%
White, AR	593	0.0%

Area Code 870 Family Tree

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Total Codes

Splits

Overlays

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All Descendants

Code ▲	State	Type	In Service	Parent
327	AR	overlay	20-Feb-2024	870

Area code 870 was originally assigned in 14-Apr-1997 to serve AR. Over the years, it has generated 1 descendant area code through a combination of geographic splits and overlays as demand for telephone numbers grew.