223
Area code
PA
United States geographic area code, in service since 2017-09-26. Part of the 223/717 overlay complex — ten-digit dialing required.
Statusin service
Introduced2017-09-26
JurisdictionPA, US
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Utilization 33.8% of assignable prefixes assigned
As of 09/17/2026
0%268 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 2017-08-31, most recent 2026-07-28.
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 | ONVOY, LLC - PA | 77 | 28.7% |
| 02 | D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE | 27 | 10.1% |
| 03 | FRACTEL, LLC | 24 | 9% |
| 04 | TON80 COMMUNICATIONS, LLC | 16 | 6% |
| 05 | ONVOY SPECTRUM, LLC | 11 | 4.1% |
| 06 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 11 | 4.1% |
| 07 | NEW CINGULAR WIRELESS PCS, LLC - DC | 10 | 3.7% |
| 08 | BANDWIDTH.COM CLEC, LLC - PA | 10 | 3.7% |
| 09 | MULTIPLE OCN LISTING | 9 | 3.4% |
| 10 | COMCAST IP PHONE, LLC | 8 | 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- 2017-01-23 NPA 223 to Overlay NPA 717 (Pennsylvania)
- 2017-09-26Area code 223 entered service (created from 717).
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) |