971
Area code
OR
United States geographic area code, in service since 2000-10-01. Part of the 503/971 overlay complex — ten-digit dialing required.
Statusin service
Introduced2000-10-01
JurisdictionOR, US
Local dialing10D
Time zonePacific
Last verified2026-09-17
Utilization 57.4% of assignable prefixes assigned
As of 09/17/2026
0%455 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 2001-01-15, most recent 2026-09-09.
Area codes serve rate-center geographies, not municipal boundaries. “OR” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | NEW CINGULAR WIRELESS PCS, LLC | 63 | 13.8% |
| 02 | T-MOBILE USA, INC. | 60 | 13.2% |
| 03 | ONVOY, LLC - OR | 56 | 12.3% |
| 04 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 51 | 11.2% |
| 05 | BANDWIDTH.COM CLEC, LLC - OR | 42 | 9.2% |
| 06 | LEVEL 3 COMMUNICATIONS, LLC - OR | 15 | 3.3% |
| 07 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 14 | 3.1% |
| 08 | TON80 COMMUNICATIONS, LLC | 13 | 2.9% |
| 09 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 13 | 2.9% |
| 10 | METROPCS, INC. | 11 | 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- 2000-10-01Area code 971 entered service (created from 503).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2006-12-21 | PL-359 ↗ | Expansion of Concentrated NPA 971 Overlay with NPA 503 (Oregon) |
| 1999-12-10 | PL-203 ↗ | Permissive Dialing Extended for the 503 / 971 Concentrated Overlay (Oregon) |
| 1999-07-21 | PL-182 ↗ | Concentrated Overlay of 503 (Oregon) NPA with 971 NPA |