Area code

PA

United States geographic area code, in service since 1998-12-05. Part of the 272/570 overlay complex — ten-digit dialing required.

Split from 717. Created 272. Overlaid with 272 .

Statusin service

Introduced1998-12-05

JurisdictionPA, US

Local dialing10D

Time zoneEastern

Last verified2026-09-17

Utilization 100.8% of assignable prefixes assigned As of 09/17/2026

0%798 of ~792 assignable NXX values (200–999 excl. N11)100%

Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-01-17, most recent 2026-01-13.

Area codes serve rate-center geographies, not municipal boundaries. “PA” identifies the jurisdiction, not an exact city footprint.

Top assignees

Ranked by assigned prefixes · initial assignee ≠ current carrier

Largest initial assignees in area code 570
Rank	Assignee	Prefixes	Share
01	VERIZON PENNSYLVANIA, INC.	156	19.5%
02	COMMONWEALTH TELEPHONE COMPANY LLC	75	9.4%
03	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA	75	9.4%
04	NEW CINGULAR WIRELESS PCS, LLC - DC	68	8.5%
05	CORE COMMUNICATIONS, INC. - PA	62	7.8%
06	LEVEL 3 COMMUNICATIONS, LLC - PA	53	6.6%
07	CTSI, INC. - PA	33	4.1%
08	OMNIPOINT COMMUNICATIONS ENTERPRISES, LP	30	3.8%
09	PAETEC ITEL, LLC	25	3.1%
10	VERIZON NORTH, INC. - PA (QUAKER ST)	18	2.3%

Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.

Change history

Recorded events for this NPA

2013-04-02 NPA 272 to Overlay NPA 570 (Pennsylvania) overlay
1998-12-05Area code 570 entered service (created from 717).

Planning letters & orders

Primary documents

NANPA planning letters for area code 570
Date	Document	Subject
2013-04-02	PL-451 ↗	NPA 272 to Overlay NPA 570 (Pennsylvania)
2012-12-10	PL-444 ↗	NPA 272 to Overlay NPA 570 (Pennsylvania)
2010-08-24	PL-409 ↗	NPA 272 to Overlay NPA 570 (Pennsylvania)
1998-07-31	PL-136 ↗	NANP-Split of 717 (Pennsylvania) Numbering Plan Area (NPA)

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