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Area Codes

St. Louis Core

Area Code `314`: St. Louis, MO Local Numbers

Area code 314 is the original telephone area code for St. Louis, Missouri. Established in 1947 as one of the first North American Numbering Plan codes, 314 is the heritage code of St. Louis — strongly tied to the city's brewing industry, healthcare sector, and Gateway City identity.

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314 Quick Facts

Live data

📍

Region

St. Louis, MO

🕐

Time Zone

Central (CT)

🗺️

Major Cities

St. Louis, Clayton, Maplewood

📞

Overlay For

Area Code 557

✅

Numbers Available

23 numbers available

Area Codes

St. Louis Core

Area Code `314`: St. Louis, MO Local Numbers

Set Up AI Calling for 314 — 2 Min

See how AI calling works →

815+ St. Louis businesses already use Brilo

314 Quick Facts

Live data

📍

Region

St. Louis, MO

🕐

Time Zone

Central (CT)

🗺️

Major Cities

St. Louis, Clayton, Maplewood

📞

Overlay For

Area Code 557

✅

Numbers Available

23 numbers available

Area Code

Feature Answer

What is Area Code 314?

Area code 314 is a North American telephone area code assigned to St. Louis, Missouri. First assigned in 1947 as one of the original 86 area codes in the North American Numbering Plan, 314 is among the oldest area codes in the country. It serves the city of St. Louis, plus inner suburbs including Clayton, Maplewood, Webster Groves, University City, and Ferguson, and is a local (non-toll-free) area code in the Central Time Zone.

314 originally covered all of eastern Missouri. The 1996 split created 573 for outstate Missouri, and the 1999 split created 636 for the St. Louis suburbs (St. Charles County, Jefferson County), leaving 314 with just the city of St. Louis and inner suburbs. Overlay 557 was added in 2025 to handle continued demand. Despite the overlay, a 314 number remains the heritage signal for established St. Louis businesses, including Anheuser-Busch, Express Scripts, Edward Jones, and the city's many healthcare and bioscience firms.

📍

St. Louis, MO

⏰

Central (CT)

✅

23 numbers available

📅

Est. 1947

Area Code

Coverage Data

Cities & Zip Codes in Area Code 314

All neighborhoods and zip codes served by the 314 area code across St. Louis and inner suburbs.

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314 Area Code City Coverage

815+

City

County

Zip Codes

Est. Businesses

Chesterfield

St. Louis

63005 – 63017

~4,600

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Clayton

St. Louis

63105

~3,400

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Florissant

St. Louis

63031 – 63034

~2,800

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Maryland Heights

St. Louis

63043 – 63146

~2,400

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St. Louis

St. Louis City

63101 – 63147

~22,000

Set up 314 AI calling →

University City

St. Louis

63130 – 63132

~2,100

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Area Code

Spam Inteligence

Is Area Code 314 Spam?

We aggregate spam reports from thousands of sources. Here's what the data shows for 314 this month.

314 Spam Activity Score — Last 30 Days

Low

27% of reported US area codes have higher spam activity

📊 Total reports this month

📞 Top reported prefixes

314-435, 314-771

📈 Trend vs last month

↓ 8% lower

🏆 Trust ranking

Top 27% of US area codes

BEAT THE SCREENING

Why does St. Louis screen unknown 314 calls?

Carriers route unknown numbers through spam filters by default. Even St. Louis customers screen calls from unfamiliar 314 lines unless the caller ID checks out — and a verified caller ID gets answered 3x more often.

3x better pickup rate when verified

Skip the screening problem. Brilo 314 numbers ride with a verified business profile, AI agents on every call, and live transcripts that prove what was said.

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Area Code

Why Go local

Why St. Louis Businesses Choose a 314 Number

In St. Louis, 815+ businesses route their phone presence through Brilo on a 314 number. AI agents answering on the area code that's been Gateway City since the start.

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Local vs Other Number Types

📍 Local Number

79% answer rate

📞 Toll-Free 800 Number

34% answer rate

📱 Out-of-State Number

21% answer rate

❓ Unknown / VoIP

11% answer rate

📍

Local Trust Signal

St. Louis customers answer a 314 call 3.7x more often than an out-of-state number. The Gateway City's original code still does the local-trust work before the conversation even starts.

🤖

AI-Powered Calls

Brilo's AI agents take every call on your 314 line, inbound or outbound, day and night. Natural conversation, live transcripts — every lead captured automatically into your CRM.

⚡

Setup in 2 Minutes

Pick a 314 number, prompt your agent in a few sentences, and you're live before the next meeting. 6,000+ integrations including Salesforce and HubSpot.

Brilo 2.0

Everything About 314

Questions Gateway City businesses ask about the original St. Louis code.

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Who uses area code 314?

Is 314 a toll-free number?

Can I get a 314 number if my business isn't in Missouri?

What area code is 314 from?

Is a 314 number associated with spam?

How do I set up a 314 number with AI calling?

What is the difference between 314 and 557?

Do I need to dial the area code for local calls within 314?

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Join Discord

Connect with our community, ask questions, and stay updated on product news.

Book a Call

Schedule a quick call with our team to explore solutions for your needs.

Join Discord

Connect with our community, ask questions, and stay updated on product news.

Book a Call

Schedule a quick call with our team to explore solutions for your needs.

Area Code 314: St. Louis, MO Local Numbers

Area Code 314: St. Louis, MO Local Numbers

Never Miss a Customer Call Again. Let AI Close the Loop—24/7.

Never Miss a Customer Call Again. Let AI Close the Loop—24/7.

Never Miss a Customer Call Again. Let AI Close the Loop—24/7.

Never Miss a Customer Call Again. Let AI Close the Loop—24/7.

Area Code `314`: St. Louis, MO Local Numbers

Area Code `314`: St. Louis, MO Local Numbers