Mississippi area codes

Codes in service in Mississippi

Mississippi has 5 geographic area codes in service: 228, 471, 601, 662, 769. 601 is the oldest, dated 1947, and 471 the newest, dated 30 Jan 2026.1 All of Mississippi'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
228	MS	15 Sep 1997	None listed	Central	7 digits
471	MS	30 Jan 2026	662	Central	10 digits
601	MS	1947	769	Central	10 digits
662	MS	19 Apr 1999	471	Central	10 digits
769	MS	14 Mar 2005	601	Central	10 digits

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

History and overlays in Mississippi

Before 1960: 601 (1947)
1990s: 228 (15 Sep 1997), 662 (19 Apr 1999)
2000s: 769 (14 Mar 2005)
2020s: 471 (30 Jan 2026)

Mississippi's in-service overlay groups are 471/662; 601/769.1

601/769: 601 (1947) was joined by 769 on 14 Mar 2005.
471/662: 662 (1999) was joined by 471 on 30 Jan 2026.

Dialing in Mississippi

Local calls within a single area code in Mississippi differ: 7 digits for 228; 10 digits for 471, 601, 662, 769. From any of Mississippi's codes, local calls to another area code are all recorded as 10 digits.1 Seven-digit local dialing is still recorded for 228.

Neighbours of Mississippi

Regions that border Mississippi:

Alabama: 7 codes (205, 251, 256, 334, ...)
Arkansas: 4 codes (327, 479, 501, 870)
Louisiana: 6 codes (225, 318, 337, 457, ...)
Tennessee: 8 codes (423, 615, 629, 729, ...)

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