624
Area code
NY
United States geographic area code, in service since 2023-11-16. Part of the 624/716 overlay complex — ten-digit dialing required.
Statusin service
Introduced2023-11-16
JurisdictionNY, US
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Utilization 2% of assignable prefixes assigned
As of 09/17/2026
0%16 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 —, most recent —.
Area codes serve rate-center geographies, not municipal boundaries. “NY” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | MULTIPLE OCN LISTING | 9 | 56.3% |
| 02 | 7 | 43.8% |
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- 2022-12-06 NPA 624 to Overlay NPA 716 (New York)
- 2023-11-16Area code 624 entered service (created from 716).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2022-12-06 | PL-607 ↗ | NPA 624 to Overlay NPA 716 (New York) |