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US area code · Arkansas

Area code 870

Where the 870 area code is, its overlay and how to dial a +1 870 number from anywhere.

CoversEl Dorado, ArkansasTime zoneCentral (CT)TypeOverlay
Quick answer

The 870 area code is in El Dorado, Arkansas, United States (Central (CT)). To call from abroad: +1 870 555-0123. It is an overlay, so all 10 digits are dialled.

StateArkansas
Main areaEl Dorado
Time zoneCentral (CT)
TypeOverlay
10-digit dialingRequired
In service since22-Jan-1997

The 870 area code is a geographic North American Numbering Plan (NANP) code covering El Dorado, Arkansas. It has been in service since 22-Jan-1997 and sits in the Central (CT) time zone.

Overlay 870 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.

870327501

How to dial a 870 number

From abroad+1 870 555-0123
Within the US / Canada1 870 555-0123
Locally (same area)870 555-0123

Cities in the 870 area code

A 870 number is usually in one of these places in Arkansas — 6 counties.

El Dorado UnionJonesboro CraigheadParagould GreenePine Bluff JeffersonTexarkana MillerWest Memphis Crittenden

Other Arkansas area codes

327479501

Frequently asked questions

Where is the 870 area code?

The 870 area code is in El Dorado, Arkansas, United States (Central (CT)).

Is 870 an overlay area code?

Yes. 870 overlays the same region as 327, 501, so callers dial all 10 digits.

Do I have to dial 10 digits for 870?

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

How do I call a 870 number from another country?

Dial your exit code (or +), then 1, then 870, then the number: +1 870 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 870 number does not pinpoint a street or ZIP code.

Missed a call from +1 870?

In the 30 days to September 24, 2026, 502 unwanted calls showing a 870 number were reported to the US Federal Trade Commission, 72% of them recorded messages or robocalls. That puts 870 at #204 of 670 area codes reported.

Other243
Reducing your debt (credit cards, mortgage, student loans)81
Medical & prescriptions69
Calls pretending to be government, businesses, or family and friends38
Before you call back
  • If you do not know anyone in Arkansas, 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 870 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 +1 870 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 870:

Southwestern Bell 154New Cingular Wireless PCS, LLC 105Cellco Partnership Dba Verizon Wireless 85Windstream Arkansas, Inc. 72Level 3 Communications, LLC 47Brightspeed Of Central Arkansas, LLC 44

About 26.4% of the 800 prefixes in use belong to mobile carriers: a 870 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 870 — cities & rate centres