607
Area code
NY
United States geographic area code, in service since 1954-01-01.
Statusin service
Introduced1954-01-01
JurisdictionNY, US
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Utilization 71.2% of assignable prefixes assigned
As of 09/17/2026
0%564 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 2001-02-02, most recent 2026-07-28.
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. | 111 | 19.7% |
| 02 | TWC IP ENABLED SERVICES, LLC | 51 | 9% |
| 03 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 50 | 8.9% |
| 04 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 34 | 6% |
| 05 | ONVOY, LLC- NY | 33 | 5.9% |
| 06 | NEW CINGULAR WIRELESS PCS, LLC - DC | 30 | 5.3% |
| 07 | PAETEC ITEL, LLC | 26 | 4.6% |
| 08 | TC SYSTEMS, INC. - NY | 25 | 4.4% |
| 09 | ONVOY SPECTRUM, LLC | 19 | 3.4% |
| 10 | FRACTEL, LLC | 15 | 2.7% |
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- 1954-01-01Area code 607 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2021-01-08 | PL-556 ↗ | Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Lifeline) – supersedes PL-544 |
| 2020-08-17 | PL-544 ↗ | Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline |