208
Area code
ID
United States geographic area code, in service since 1947-01-01. Part of the 208/986 overlay complex — ten-digit dialing required.
Statusin service
Introduced1947-01-01
JurisdictionID, US
Local dialing10D
Time zoneMountain / Pacific
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 2001-01-29, most recent 2024-06-18.
Area codes serve rate-center geographies, not municipal boundaries. “ID” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | QWEST CORPORATION | 186 | 23.3% |
| 02 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 104 | 13% |
| 03 | ONVOY, LLC - ID | 62 | 7.8% |
| 04 | NEW CINGULAR WIRELESS PCS, LLC | 57 | 7.1% |
| 05 | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 54 | 6.8% |
| 06 | T-MOBILE USA, INC. | 47 | 5.9% |
| 07 | LEVEL 3 COMMUNICATIONS, LLC - ID | 29 | 3.6% |
| 08 | ZIPLY FIBER IDAHO, LLC DBA ZIPLY FIBER | 19 | 2.4% |
| 09 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - ID | 18 | 2.3% |
| 10 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 18 | 2.3% |
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- 2015-12-23 NPA 986 to Overlay NPA 208 (Idaho)
- 1947-01-01Area code 208 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2015-12-23 | PL-490 ↗ | NPA 986 to Overlay NPA 208 (Idaho) |