910
Area code
NC
United States geographic area code, in service since 1993-11-14. Part of the 472/910 overlay complex — ten-digit dialing required.
Split from 919. Created 336. Created 472. Overlaid with 472 .
Statusin service
Introduced1993-11-14
JurisdictionNC, 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 2001-01-04, most recent 2025-11-04.
Area codes serve rate-center geographies, not municipal boundaries. “NC” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC | 132 | 16.5% |
| 02 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 99 | 12.4% |
| 03 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 80 | 10% |
| 04 | SUNCOM DBA T-MOBILE USA | 64 | 8% |
| 05 | NEW CINGULAR WIRELESS PCS, LLC - GA | 46 | 5.8% |
| 06 | PAETEC ITEL, LLC | 37 | 4.6% |
| 07 | ONVOY, LLC - NC | 37 | 4.6% |
| 08 | TWC IP ENABLED SERVICES, LLC | 33 | 4.1% |
| 09 | LEVEL 3 COMMUNICATIONS, LLC - NC | 31 | 3.9% |
| 10 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 21 | 2.6% |
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- 2021-11-09 NPA 472 to Overlay NPA 910 (North Carolina) – supersedes PL-565
- 1993-11-14Area code 910 entered service (created from 919).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2021-09-01 | PL-565 ↗ | NPA 472 to Overlay NPA 910 (North Carolina) |
| 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 |
| 1992-11-13 | IL-92-11-024 ↗ | NANP-SPLIT OF 919 (NORTH CAROLINA) NUMBERING PLAN AREA (NPA) |