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US area code · Arkansas

870 area code

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.

Number holders in area code 870

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 870, shared by 61 companies. The largest holders:

CompanyPrefixesShare
Southwestern Bell15419%
New Cingular Wireless PCS, LLC10513%
Cellco Partnership Dba Verizon Wireless8511%
Windstream Arkansas, Inc.729%
Level 3 Communications, LLC476%
Brightspeed Of Central Arkansas, LLC446%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 870 numbers

Reports to the FTC, last 30 days
502
Recorded messages or robocalls
72%
Rank among area codes
#204 of 670
Most reported subjects
Other (243)
Reducing your debt (credit cards, mortgage, student loans) (81)
Medical & prescriptions (69)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 870 — cities & rate centres

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