724
Area code
PA
United States geographic area code, in service since 1998-02-01. Part of the 724/878 overlay complex — ten-digit dialing required.
Split from 412.
Statusin service
Introduced1998-02-01
JurisdictionPA, US
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Utilization 100.9% of assignable prefixes assigned
As of 09/17/2026
0%799 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 2001-01-04, most recent 2024-04-26.
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. | 166 | 20.8% |
| 02 | TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 74 | 9.3% |
| 03 | LEVEL 3 COMMUNICATIONS, LLC - PA | 69 | 8.6% |
| 04 | NEW CINGULAR WIRELESS PCS, LLC - IL | 60 | 7.5% |
| 05 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 59 | 7.4% |
| 06 | WINDSTREAM PENNSYLVANIA, INC. | 51 | 6.4% |
| 07 | CORE COMMUNICATIONS, INC. - PA | 48 | 6% |
| 08 | FIDIUM ENTERPRISE SERVICES, LLC | 39 | 4.9% |
| 09 | BRIGHTSPEED OF PENNSYLVANIA, LLC | 29 | 3.6% |
| 10 | AERIAL COMMUNICATIONS, INC. | 27 | 3.4% |
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- 1998-02-01Area code 724 entered service (created from 412).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2001-05-14 | PL-281 ↗ | Rationing in NPAs 412, 724, and 878 (Pennsylvania) |
| 1997-09-23 | PL-091 ↗ | NANP-Split of 412 (Pennsylvania) Numbering Plan Area (NPA) |