717
Area code
PA
United States geographic area code, in service since 1947-01-01. Part of the 223/717 overlay complex — ten-digit dialing required.
Statusin service
Introduced1947-01-01
JurisdictionPA, US
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Utilization 101% of assignable prefixes assigned
As of 09/17/2026
0%800 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 2001-01-31, most recent 2024-04-25.
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| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | VERIZON PENNSYLVANIA, INC. | 121 | 15.1% |
| 02 | BRIGHTSPEED OF PENNSYLVANIA, LLC | 80 | 10% |
| 03 | NEW CINGULAR WIRELESS PCS, LLC - DC | 77 | 9.6% |
| 04 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 72 | 9% |
| 05 | LEVEL 3 COMMUNICATIONS, LLC - PA | 65 | 8.1% |
| 06 | VERIZON NORTH, INC. - PA | 55 | 6.9% |
| 07 | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | 52 | 6.5% |
| 08 | COMCAST IP PHONE, LLC | 27 | 3.4% |
| 09 | ONVOY, LLC - PA | 26 | 3.3% |
| 10 | CORE COMMUNICATIONS, INC. - PA | 25 | 3.1% |
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- 2017-01-23 NPA 223 to Overlay NPA 717 (Pennsylvania)
- 1996-12-11 Declaration of Jeopardy Situation in NPA 717 (Pennsylvania) jeopardy
- 1947-01-01Area code 717 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2017-01-23 | PL-501 ↗ | NPA 223 to Overlay NPA 717 (Pennsylvania) |
| 2016-12-28 | PL-500 ↗ | NPA 223 to Overlay NPA 717 (Pennsylvania) |