What cities are covered by Area Code 314?

Area Code 314 covers cities such as St. Louis, Kirkwood, Maryland Heights, Mehlville, Oakville, Spanish Lake, University City, Webster Groves, Affton, Ferguson, Florissant, and Hazelwood.

When was Area Code 314 established?

Area Code 314 was established in 1947 as part of the original North American Numbering Plan.

Why was Area Code 557 introduced?

Area Code 557 was introduced as an overlay for 314 in 2022 to accommodate the growing demand for phone numbers.

What are the dialing requirements for Area Code 314?

Since October 24, 2021, ten-digit dialing is required for all local calls within the 314 area. Toll calls require 1+10-digit dialing.

Who regulates telecommunications in Missouri?

The Missouri Public Service Commission regulates telecommunications in Missouri.

What major carriers operate in Area Code 314?

Major carriers in Area Code 314 include AT&T, Verizon, and T-Mobile.

What is the NPA code for Area Code 314?

The NPA (Numbering Plan Area) code for Area Code 314 is 314 itself.

What is the significance of the date August 12, 2022, for Area Code 314?

August 12, 2022, marks the implementation date of the Area Code 557 overlay for Area Code 314.

How has Area Code 314 changed since its inception?

Area Code 314 has undergone splits to create Area Code 573 in 1996 and Area Code 636 in 1999, transitioned to ten-digit dialing in 2021, and received an overlay with Area Code 557 in 2022.

What is ten-digit dialing and why was it implemented for Area Code 314?

Ten-digit dialing involves using both the area code and the seven-digit phone number for local calls. It was implemented in Area Code 314 to accommodate the 988 National Suicide Prevention Lifeline.

What are some historical milestones of Area Code 314?

Key milestones include its establishment in 1947, the creation of Area Code 573 in 1996, the creation of Area Code 636 in 1999, the transition to ten-digit dialing in 2021, and the overlay with Area Code 557 in 2022.

Which organization should I contact for more information on area codes?

For more information, you can contact the North American Numbering Plan Administration.

What is the purpose of the North American Numbering Plan (NANP)?

The NANP is a system that organizes the allocation of telephone numbers in North America, ensuring each region has a unique area code.

What is an overlay in terms of area codes?

An overlay is a new area code that is added to the same geographic region as an existing area code, allowing for more phone numbers without changing existing numbers.

Why did Area Code 314 require an overlay?

The overlay was required due to the exhaustion of available phone numbers within the 314 area.

What changes occurred in Area Code 314 in 2021?

In 2021, Area Code 314 transitioned to mandatory ten-digit dialing to accommodate the new 988 National Suicide Prevention Lifeline.

How does ten-digit dialing affect local calls in Area Code 314?

Ten-digit dialing requires callers to dial the area code plus the local number for all calls, even those within the same area code.

What is the role of the Missouri Public Service Commission regarding Area Code 314?

The Missouri Public Service Commission oversees telecommunications regulations, including area code assignments and changes in Missouri.

What are the benefits of having an overlay like Area Code 557 for 314?

An overlay allows for continued growth in phone number allocations without requiring existing numbers to change, minimizing disruption for residents and businesses.

What is the significance of the 988 National Suicide Prevention Lifeline for Area Code 314?

The implementation of 988 as a quick dial for the National Suicide Prevention Lifeline necessitated the transition to ten-digit dialing within Area Code 314.

What is the purpose of Area Code 314?

Area Code 314 serves the city of St. Louis and its inner-ring suburbs, providing telephone numbers for residents and businesses.

How does the Area Code 557 overlay impact residents of the 314 area?

The Area Code 557 overlay means that new phone numbers assigned in the 314 region may have the 557 area code, and ten-digit dialing is required for all calls.

Where can I find more information about the North American Numbering Plan?

You can find additional details on the North American Numbering Plan Administration website.

How did the creation of area codes 573 and 636 affect Area Code 314?

The creation of area codes 573 and 636 reduced the geographic area covered by Area Code 314, allocating portions of it to the new area codes.

What telecommunications services are supported in Area Code 314?

Area Code 314 supports a variety of telecommunications services, including landline, wireless, and VoIP.

How does the implementation of the 988 lifeline affect dialing procedures in the 314 area code?

To ensure 988 works correctly, ten-digit dialing was mandated, requiring callers to dial the area code even for local calls.

Where can I find the official regulations for telecommunications in Missouri?

The Missouri Public Service Commission (PSC) provides the official regulations for telecommunications in the state.

What should I do if I forget to dial ten digits when making a local call in Area Code 314?

If you forget to dial ten digits, your call may not go through, and you will likely receive a reminder to dial the full ten-digit number.

Are there any exceptions to the ten-digit dialing requirement in Area Code 314?

No, there are no exceptions. Ten-digit dialing is mandatory for all local calls within Area Code 314.

How can I find out if a phone number belongs to Area Code 314 or 557?

You can identify the area code by looking at the first three digits of the phone number. If it starts with 314 or 557, it belongs to that area.

Area Code 314: Coverage, Cities, and Key Information

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