Area codes in Jonesboro, Arkansas
Jonesboro, Arkansas uses 2 area codes — 870 and 327. The main Jonesboro area code is 870.
Area codes serving Jonesboro
Phone numbers in Jonesboro are written as ten digits — for example (870) 555-0190 — and fall in the Central Time zone.
How Jonesboro came to have 2 area codes
The original Jonesboro area code is 870, in service since 1997. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 327 (2024). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Jonesboro now uses all 2 codes and every local call is dialed with ten digits.
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Frequently asked questions
What is the area code for Jonesboro?
The main area code for Jonesboro, Arkansas is 870. Jonesboro is now served by 2 area codes in total: 870, 327.
How many area codes does Jonesboro have?
Jonesboro has 2 area codes: 870, 327.
Why does Jonesboro have more than one area code?
As Jonesboro used up the numbers available in its original area code (870, in service since 1997), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Jonesboro number?
Dial all 10 digits — the area code (870 or 327) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.