When was area code 206 implemented?

Area code 206 was implemented in 1947 as one of the original North American area codes.

What is the utilization rate of area code 206?

The utilization rate of area code 206 is 75%.

What is the projected exhaust date for area code 206?

The projected exhaust date for area code 206 is 2025.

Which major carriers operate within area code 206?

The major carriers in area code 206 are AT&T, Verizon, T-Mobile, CenturyLink, and others.

What types of services are available in area code 206?

The types of services available in area code 206 include landline, wireless, and VoIP services.

What regulatory body oversees area code 206?

The Washington Utilities and Transportation Commission (WUTC) oversees area code 206.

Is ten-digit dialing required in area code 206?

Yes, ten-digit dialing has been mandatory in area code 206 since 2017.

What is the NPA code for Seattle?

The NPA code for Seattle is 206.

Is there an overlay for area code 206?

Yes, area code 564 has been approved as an overlay for area code 206, effective before 2025.

When was area code 360 created?

Area code 360 was created in 1995 from the western part of area code 206.

What is the significance of area code 206 in Washington State?

Area code 206 is a vital telecommunications identifier for Seattle and its surrounding suburbs, playing a significant role in the region's telecommunications infrastructure.

Has area code 206 been split in the past?

Yes, area code 206 was split in 1997 into 206, 253, and 425.

How many total numbers are available in area code 206?

Approximately 7.8 million numbers are available in area code 206.

What was the original purpose of area code 206?

Area code 206 was one of the original North American area codes, serving as a key telecommunications identifier for the Seattle area.

What are the geographic coordinates of Seattle within area code 206?

The geographic coordinates of Seattle within area code 206 are 47.60621, -122.33207.

Which islands are included in area code 206?

Mercer Island, Bainbridge Island, and Vashon Island are included in area code 206.

What year did area code 206 split into 206, 253, and 425?

Area code 206 split into 206, 253, and 425 in 1997.

Why was area code 564 approved for overlay in area code 206?

Area code 564 was approved as an overlay for area code 206 to meet the growing demand for phone numbers and services in the region.

What is the role of the North American Numbering Plan Administration in relation to area code 206?

The North American Numbering Plan Administration (NANPA) is responsible for the allocation and management of area codes, including area code 206.

Area Code 206: Comprehensive Guide to Seattle's Iconic Code

Q: What cities are included in area code 206?

Area code 206 includes Seattle, Shoreline, Lake Forest Park, Mercer Island, Bainbridge Island, Vashon Island, and parts of metropolitan Seattle from Des Moines to Woodway.

Area code 206 is a key telephone area code in the North American Numbering Plan (NANP), primarily serving Seattle, Washington, and its closest suburbs.

Where is Area Code 206 Located?

Area code 206 covers the city of Seattle and its immediate suburbs, including Shoreline, Lake Forest Park, Mercer Island, Bainbridge Island, Vashon Island, and parts of metropolitan Seattle from Des Moines to Woodway. It is a crucial component of Washington State's telecommunications framework.

Technical Specifications of Area Code 206

NPA Code: 206
Type: Single
Implementation Date: 1947
State: Washington

Geographic Coverage

Area code 206 is geographically centered around Seattle and includes:

Seattle: 47.60621, -122.33207
Shoreline: 47.75565, -122.34152
Mercer Island: 47.57065, -122.22207
Bainbridge Island: 47.62621, -122.52124
Des Moines: 47.40177, -122.32429
Burien: 47.47038, -122.34679
White Center: 47.51732, -122.35485

Map of Area Code 206

Numbering Statistics

Total Numbers Available: Approximately 7.8 million
Utilization Rate: 75%
Exhaust Projection: 2025

Network Infrastructure

Major Carriers

AT&T: 30%
Verizon: 25%
T-Mobile: 20%
CenturyLink: 15%
Others: 10%

Types of Services

Landline
Wireless
VoIP

Regulatory Framework

Regulatory Body: Washington Utilities and Transportation Commission (WUTC)
Dialing Requirements: Ten-digit dialing mandatory since 2017
NANPA Regulations: Area code 564 overlay approved for 206, effective before 2025

Historical Milestones

1947: Area code 206 was one of the original North American area codes.
1957: Area code 509 was assigned to the eastern two-thirds of Washington.
1995: Area code 360 was created from the western part of 206.
1997: Area code 206 was split into 206, 253, and 425.
2023: WUTC approved the overlay of area code 564 for 206.

Conclusion

Area code 206 continues to be a vital telecommunications identifier for Seattle and its surrounding suburbs. With its rich history and significant role in the region's telecommunications infrastructure, it adapts to meet the growing demand for phone numbers and services. For more information, visit the North American Numbering Plan Administration.

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