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Area code

Area code 314 — St. Louis, MO

Missouri · in service since 1947

Area code 314 covers St. Louis, MO. It is an overlay: 557 serves the same area, so neighbors can have different area codes.

Overlay, same area: 557

Local time in St. Louis

Central Time ·

Spam reports from Sep 23 – Oct 22, 2026

High #34 of 461 codes

965 FTC complaints

Top subject: medical & prescriptions · 59% robocalls

Consumer reports, not verified by the FTC.

See the reports

Spam call reports about 314 numbers

Complaints by week

Sep 11 – Oct 22, 2026
314, Sep 11 – Oct 22, 2026050100150200250Sep 7 (partial): 66 complaints66Sep 73 days234Sep 14200Sep 21240Sep 28200Oct 5199Oct 12Oct 19 (partial): 195 complaints195Oct 194 days
Show as table
Week startingComplaints
Sep 7 (3 days)66
Sep 14234
Sep 21200
Sep 28240
Oct 5200
Oct 12199
Oct 19 (4 days)195

Compared with all codes

Robocalls
59%all codes 75%
Callers with the same code
67%all codes 35%
Rank by complaints
#34of 461 · top tenth (most complaints)
FCC complaints, Oct 2025 – Sep 2026
14429 about text messages

What the calls were about

Sep 11 – Oct 22, 2026

SubjectComplaints
Medical & prescriptions184 14%
Calls pretending to be government, businesses, or family and friends143 11%
Dropped call or no message119 9%
Reducing your debt (credit cards, mortgage, student loans)87 7%
Home improvement & cleaning32 2%
Warranties & protection plans22 2%

Where the people who complained live

Sep 11 – Oct 22, 2026

StateComplaints
Missouri940 70%
Illinois67 5%
Pennsylvania28 2%
Florida26 2%
California23 2%

October 2026 (partial) report · most reported

Consumer reports, not verified by the FTC · source

Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).

Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.

Area code 314 location and prefixes

Prefixes assigned800493 in number pools
Exchange areas7St. Louis holds 37%
Known asSt. Louis, MOnamed after its largest NANPA rate centers
Largest exchange areas
Exchange (NANPA)PlaceCountyPrefixes
ST LOUISSt. LouisSt. Louis city298
LADUELa DueHenry County286
KIRKWOODKirkwoodSt. Louis County90
CREVECOEURCreve CoeurSt. Louis County51
SAPPINGTONSappingtonSt. Louis County25
MEHLVILLEMehlvilleSt. Louis County24
OAKVILLEOakvilleSt. Louis County11

Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).

Nearby area codes

Same area (overlay)

Nearest by exchange location

Other codes in Missouri

NANPA record

Location
Missouri
Assigned by NANPA
1947
Local dialing
10 digits (NANPA: 10D)
NANPA planning letters
PL-567, PL-556, PL-544, PL-303, PL-279, PL-261

Source: NANPA, NPA database of Oct 24, 2026.

Is 314 running out of numbers?

Forecast exhaust (April 2026)4Q 2060for 314/557 · in about 34 years

Previous forecast (October 2025): 2063, moved earlier by 3 years.

Forecast exhaust year by edition

31420502055206020652054Oct 20232054Apr 20242058Oct 20242063Apr 20252063Oct 20252060Apr 2026

Source: NANPA NRUF forecast, April 2026 edition.

Who holds 314 prefixes

The five largest of 35 original holders

As listed by NANPA, not today’s carrier.

Holder (as listed)Prefixes
Southwestern Bell255 32%
New Cingular Wireless PCS, LLC101 13%
T-Mobile USA, Inc.94 12%
Verizon Wireless53 7%
Mcimetro Access Transmission Services LLC51 6%

Source: NANPA CO codes of Oct 23, 2026.

Questions about area code 314

What area code is 314?

A Missouri area code, in service since 1947.

Where is 314 area code, and what time zone is it in?

St. Louis, MO; Central Time.

Why am I getting spam calls from 314?

965 FTC complaints from Sep 23 – Oct 22, 2026, most often about medical & prescriptions (not verified by the FTC; caller ID can be spoofed).

Will 314 get a new area code?

NANPA forecasts exhaust in 4Q 2060; no relief planning listed.