270
Area code
KY
United States geographic area code, in service since 1999-04-19. Part of the 270/364 overlay complex — ten-digit dialing required.
Statusin service
Introduced1999-04-19
JurisdictionKY, US
Local dialing10D
Time zoneEastern / Central
Last verified2026-09-17
Utilization 98.9% of assignable prefixes assigned
As of 09/17/2026
0%783 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 2001-01-08, most recent 2026-07-22.
Area codes serve rate-center geographies, not municipal boundaries. “KY” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 154 | 19.7% |
| 02 | ONVOY, LLC - KY | 108 | 13.8% |
| 03 | NEW CINGULAR WIRELESS PCS, LLC - GA | 98 | 12.5% |
| 04 | LEVEL 3 COMMUNICATIONS, LLC - KY | 63 | 8% |
| 05 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 57 | 7.3% |
| 06 | WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON | 41 | 5.2% |
| 07 | POWERTEL KENTUCKY LICENSES, INC. | 27 | 3.4% |
| 08 | TWC IP ENABLED SERVICES, LLC | 26 | 3.3% |
| 09 | WINDSTREAM KENTUCKY EAST, INC. - LONDON | 21 | 2.7% |
| 10 | SO CENTRAL RURAL TELECOMM COOPERATIVE, INC. | 19 | 2.4% |
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- 2013-01-29 NPA 364 to Overlay NPA 270 (Kentucky)
- 2010-12-15 NPA 270 (Kentucky) - 2-way Split, Creating 364 NPA - Relief Plan Cancelled split
- 1999-04-19Area code 270 entered service (created from 502).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2013-01-29 | PL-449 ↗ | NPA 364 to Overlay NPA 270 (Kentucky) |
| 2010-12-15 | PL-415 ↗ | NPA 270 (Kentucky) - 2-way Split, Creating 364 NPA - Relief Plan Cancelled |
| 2010-08-19 | PL-408 ↗ | NPA 270 Split, Creating NPA 364 (Kentucky) - Start of Permissive Dialing Suspended |
| 2009-07-01 | PL-391 ↗ | NPA 270 Split, Creating NPA 364 (Kentucky) - Change Start of Permissive Dialing |
| 2008-04-11 | PL-376 ↗ | NPA 270 Split, Creating NPA 364 (Kentucky) - Change Start of Permissive Dialing |
| 2007-11-12 | PL-371 ↗ | NPA 270 Split, Creating NPA 364 (Kentucky) - Change Start of Permissive Dialing |
| 2007-07-30 | PL-365 ↗ | NPA 270 Split, Creating NPA 364 (Kentucky) |
| 1999-02-01 | PL-155 ↗ | NANP-Split of 502 Numbering Plan Area (NPA) in Kentucky |