870 area code
Jonesboro area, Central Time.Area code 870 covers Jonesboro, Pine Bluff, El Dorado and 242 more places in Arkansas, on Central Time. 327 covers the same area.
Right now in Jonesboro
Central Time (CST, UTC-6; CDT, UTC-5 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
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Where 870 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 870 has 245. Each one's share is how many 870 numbers start there. Its biggest metro area is Memphis, TN-MS-AR.
- Jonesboro6%
- Pine Bluff6%
- El Dorado3%
- Harrison2%
Also: Blytheville, Paragould, Mountain Home, Arkadelphia, Batesville, Texarkana, West Memphis, Camden, Forrest City, Hope, Helena, Magnolia + 229 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call an 870 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 870 number to them, since you can't tell a work line from a personal cell.
What applies to 870Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
870 and 327
870 went into service on April 14, 1997, split off from 501. 870 and 327 cover the same area, so new numbers can get either code and neighbors can have different area codes. 870 holds 95% of the area's exchanges; 327 holds the rest. Local calls take all 10 digits.
- 1997870 starts
- 2024327 overlay
Source: NANPA area code database
Other Arkansas area codes
All Arkansas area codesCalling a list of 870 numbers?
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870 area code FAQ
What area code is 870?
870 is an Arkansas area code for Jonesboro, Pine Bluff, El Dorado, Harrison and 241 more places.
What time zone is the 870 area code in?
Central Time (CST, UTC-6; CDT, UTC-5 in summer).
Is 327 the same as 870?
Same area, different code. 870 and 327 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 870 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 870 area code start?
On April 14, 1997. It was split from 501.
Calling 870 numbers? Reach more of them.
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