Pennsylvania area codes

Codes in service in Pennsylvania

Pennsylvania has 15 geographic area codes in service: 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878. 215 is the oldest, dated 1947, and 835 the newest, dated 2 Sep 2022.1 All of Pennsylvania's codes are on Eastern time.

Area code	NANPA location	NPA in-service date	In-service overlay peers	Time zone	Local calls within the code
215	PA	1947	267, 445	Eastern	10 digits
223	PA	26 Sep 2017	717	Eastern	10 digits
267	PA	1 Jul 1999	215, 445	Eastern	10 digits
272	PA	21 Oct 2013	570	Eastern	10 digits
412	PA	1947	878	Eastern	10 digits
445	PA	3 Mar 2018	215, 267	Eastern	10 digits
484	PA	5 Jun 1999	610, 835	Eastern	10 digits
570	PA	5 Dec 1998	272	Eastern	10 digits
582	PA	1 May 2021	814	Eastern	10 digits
610	PA	8 Jan 1994	484, 835	Eastern	10 digits
717	PA	1947	223	Eastern	10 digits
724	PA	1 Feb 1998	878	Eastern	10 digits
814	PA	1947	582	Eastern	10 digits
835	PA	2 Sep 2022	484, 610	Eastern	10 digits
878	PA	17 Aug 2001	412, 724	Eastern	10 digits

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

History and overlays in Pennsylvania

Before 1960: 215, 412, 717, 814
1990s: 610, 724, 570, 484, 267
2000s: 878
2010s: 272, 223, 445
2020s: 582, 835

Pennsylvania's in-service overlay groups are 215/267/445; 223/717; 272/570; 412/878; 484/610/835; 582/814; 724/878.1

582/814: 814 (1947) was joined by 582 on 1 May 2021.
215/267/445: 215 (1947) was joined by 267 on 1 Jul 1999 and 445 on 3 Mar 2018.
223/717: 717 (1947) was joined by 223 on 26 Sep 2017.
412/878: 412 (1947) was joined by 878 on 17 Aug 2001.

Pennsylvania has 3 more overlay groups, visible in the table above.

Dialing in Pennsylvania

Local calls within a single area code in Pennsylvania (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878) are all recorded as 10 digits. From any of Pennsylvania's codes, local calls to another area code are all recorded as 1 + 10 digits.1

Neighbours of Pennsylvania

Regions that border Pennsylvania:

Delaware: 1 code (302)
Maryland: 6 codes (227, 240, 301, 410, ...)
New Jersey: 10 codes (201, 551, 609, 640, ...)
New York: 23 codes (212, 315, 329, 332, ...)

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