Arkansas area codes

Codes in service in Arkansas

Arkansas has 4 geographic area codes in service: 327, 479, 501, 870. 501 is the oldest, dated 1947, and 327 the newest, dated 20 Feb 2024.1 All of Arkansas's codes are on Central time.

Area code	NANPA location	NPA in-service date	In-service overlay peers	Time zone	Local calls within the code
327	AR	20 Feb 2024	870	Central	10 digits
479	AR	19 Jan 2002	None listed	Central	7 digits
501	AR	1947	None listed	Central	10 digits
870	AR	14 Apr 1997	327	Central	10 digits

Scroll the table sideways to see every column. Sources: NANPA (14 October 2026 file).

History and overlays in Arkansas

Before 1960: 501 (1947)
1990s: 870 (14 Apr 1997)
2000s: 479 (19 Jan 2002)
2020s: 327 (20 Feb 2024)

Arkansas's in-service overlay group is 327/870.1

327/870: 870 (1997) was joined by 327 on 20 Feb 2024.

Dialing in Arkansas

Local calls within a single area code in Arkansas differ: 7 digits for 479; 10 digits for 327, 501, 870. From any of Arkansas's codes, local calls to another area code are all recorded as 10 digits.1 Seven-digit local dialing is still recorded for 479.

Neighbours of Arkansas

Regions that border Arkansas:

Louisiana: 6 codes (225, 318, 337, 457, ...)
Missouri: 9 codes (235, 314, 417, 557, ...)
Oklahoma: 5 codes (405, 539, 572, 580, ...)
Texas: 29 codes (210, 214, 254, 281, ...)

Rules that apply to every region are on the area-code reference.

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Sources

Every regulatory and pricing claim on this page links to the primary source it came from. Figures were checked on the date shown at the top of the page; rules and prices change, so verify before relying on one.

NANPA, NPA Database CSV, file dated 14 October 2026; US geographic codes, location, dates, overlay complexes, dialing plan and time zone. Retrieved 14 Oct 2026
https://reports.nanpa.com/public/npa_report.csv