518
Area code
NY
United States geographic area code, in service since 1947-01-01. Part of the 518/838 overlay complex — ten-digit dialing required.
Statusin service
Introduced1947-01-01
JurisdictionNY, 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 2001-03-29, most recent 2024-12-06.
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 | VERIZON NEW YORK, INC. | 225 | 28.1% |
| 02 | PAETEC ITEL, LLC | 59 | 7.4% |
| 03 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 58 | 7.2% |
| 04 | NEW CINGULAR WIRELESS PCS, LLC - DC | 45 | 5.6% |
| 05 | TC SYSTEMS, INC. - NY | 35 | 4.4% |
| 06 | TVC ALBANY, INC. DBA FIRSTLIGHT FIBER | 33 | 4.1% |
| 07 | TWC IP ENABLED SERVICES, LLC | 27 | 3.4% |
| 08 | LEVEL 3 COMMUNICATIONS, LLC - NY | 26 | 3.3% |
| 09 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 26 | 3.3% |
| 10 | ONVOY, LLC- NY | 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- 2016-10-15 NPA 838 to Overlay NPA 518 (New York)
- 1947-01-01Area code 518 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2016-10-15 | PL-497 ↗ | NPA 838 to Overlay NPA 518 (New York) |