314
St. Louis's Original Prefix After Two Splits and an Overlay
See exactly which St. Louis neighborhoods the 314 area code covers today, how it shrank through two splits, and what the 557 overlay changed about dialing.
MO · 5 Area Codes
Missouri
Area Codes
Missouri's economy leans on logistics and agriculture, centered around Kansas City, St. Louis, and Springfield. Get a local virtual phone number with any Missouri area code — instant setup, no physical office required.
5 area codes
< 10 min setup
99.99% uptime
24/7 support
// Why MO Virtual Numbers
Why businesses choose a Missouri virtual number
A local Missouri number builds trust before the call connects — and keeps costs at zero.
3×
more likely to answer
Higher pickup rates in MO
Missouri residents and businesses are significantly more likely to answer calls from a local area code than out-of-state or toll-free numbers. A local number is the first step to getting the call connected.
01 — Missouri at a Glance
Missouri, by the numbers.
Missouri began in 1947 with two codes: 314 for eastern Missouri (St. Louis) and 816 for western Missouri (Kansas City). In 1951, 417 split off for Springfield and the Ozarks.
That three-code map held for decades. In 1997, 660 split from 816 to cover northern Missouri outside the Kansas City metro.
St. Louis's outer suburbs got their own code, 636, split from 314 in 1999. 417 remains unsplit to this day.
Did you know?
Area code 417, created in 1951 to serve Springfield and the Ozarks, has never been split — one of the longest-standing untouched boundaries on Missouri's numbering map.
// 5 area codes
Missouri Virtual Phone Numbers
Select any area code to get a local virtual number for that region of Missouri.
417
The Missouri Ozarks Prefix That Never Split
See every southwest Missouri city the 417 area code covers, why it's one of the few original prefixes that never needed a split, and how to get a local number.
636
The Outer St. Louis Suburbs 314 Left Behind
See every St. Louis-area suburb the 636 area code covers, why it split from 314 in 1999, and how to activate a local Missouri number in minutes.
660
History, Location & Dialing Guide
The 660 area code covers rural northern and western Missouri. See how it split from 816 in 1997, the cities it covers, and how dialing works there today.
816
Kansas City's Complete Local Number Guide
The 816 area code covers Kansas City and northwestern Missouri. Learn its 1947 history, the 975 overlay, and how to get an 816 number for your business.
// Who Uses Missouri Numbers
Industries that rely on Missouri virtual numbers
Missouri's business landscape is anchored by logistics and agriculture — but local numbers drive better outcomes across every industry.
Real Estate
Agents use local area codes to build trust with buyers and sellers. A local number signals community investment.
Sales Teams
Outbound sales teams with local codes see dramatically higher pickup rates and more productive conversations.
Customer Support
Support teams with local numbers reduce friction for customers who prefer calling a familiar prefix.
Remote & Hybrid Teams
Distributed teams maintain a consistent local brand across all Missouri markets without sharing personal numbers.
Professional Services
Lawyers, accountants, and consultants use local numbers to signal proximity and professionalism.
Small Business
Local businesses use virtual numbers to expand service areas and handle overflow without extra staff.
// Get Started
Get a Missouri number in 3 steps
Active the same day. No hardware, no contracts.
- 01Step 01
Choose a MO area code
Browse all Missouri area codes and pick the region that best serves your customers. Every Missouri code is available instantly.
- 02Step 02
Select your number
Choose from available numbers in your selected area code. Vanity and memorable options available upon request.
- 03Step 03
Go live in under 10 minutes
Configure call routing, business hours, and voicemail from your Rozper dashboard. Your Missouri number is active immediately.
// Complete List
All US area codes by state.
Every state and territory, every active area code. Click a state to browse its codes.
List of USA States and Their Area Codes
StateArea CodesTime ZoneCount
205251256334938
CT5907
AKT*1480520602623928
MST5479501870
CT3209213310323408415424442510530559562619626628650657661669707714747760805818831858909916925949951
PT32303719720970
MT4203475860959
ET4302
ET1202
ET1239305321352386407561727754772786813850863904954
ET*16229404470478668706762770912
ET9808
HT1208
MT*1217224309312331618630708773779815847872
CT13219260317463574765812930
ET*8319515563641712
CT5316620785913
CT*4270364502606859
ET*5225318337504985
CT5207
ET1240301410443667
ET5339351413508617774781857978
ET9231248269313517586616734810906947989
ET*12218320507612651763952
CT7228601662769
CT4314417636660816
CT5406
MT1308402531
CT*3702725775
PT3603
ET1201551609732848856862908973
ET9505575
MT2212315332347516518585607631646680716718838845914917929934
ET19336704743828910919980984
ET8701
CT*1216220234330380419440513567614740937
ET12405539580918
CT4458503541971
PT*4215223267272412484570610717724814878
ET12787939
AST2401
ET1803843854864
ET4605
CT*1423615629731865901931
CT*7210214254281325346361409430432469512682713726737806817830832903915936940956972979
CT*27385435801
MT3802
ET1276434540571703757804
ET7206253360425509564
PT6304681
ET2262414534608715920
CT6307
MT1Frequently Asked
Missouri number questions answered.
Everything you need to know before getting a Missouri virtual phone number.
Missouri has 5 active area codes. Rozper offers virtual phone numbers for all of them — you can browse, select, and activate any Missouri area code from one dashboard.
Most Missouri numbers go live in under 10 minutes. Ask us how.
Get your Missouri number, not tomorrow.
Pick a Missouri area code, choose your number, and start calling immediately. No hardware, no contracts, no waiting.