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Area code

Area code 337 — Lafayette, LA

Louisiana · in service since October 11, 1999

Area code 337 covers parts of Louisiana; the place with the most of its prefixes is Lafayette. It was created from area code 318 on October 11, 1999 and no other code overlays it.

Local time in Lafayette

Central Time ·

Spam reports from Sep 23 – Oct 22, 2026

Average #185 of 461 codes

498 FTC complaints

Top subject: debt reduction · 82% robocalls

Consumer reports, not verified by the FTC.

See the reports

Spam call reports about 337 numbers

Complaints by week

Sep 11 – Oct 22, 2026
337, Sep 11 – Oct 22, 2026050100150Sep 7 (partial): 36 complaints36Sep 73 days89Sep 1464Sep 2168Sep 28121Oct 5144Oct 12Oct 19 (partial): 128 complaints128Oct 194 days
Show as table
Week startingComplaints
Sep 7 (3 days)36
Sep 1489
Sep 2164
Sep 2868
Oct 5121
Oct 12144
Oct 19 (4 days)128

Compared with all codes

Robocalls
82%all codes 75%
Callers with the same code
37%all codes 35%
Rank by complaints
#185of 461 · middle half
FCC complaints, Oct 2025 – Sep 2026
413 about text messages

What the calls were about

Sep 11 – Oct 22, 2026

SubjectComplaints
Reducing your debt (credit cards, mortgage, student loans)195 30%
Calls pretending to be government, businesses, or family and friends61 9%
Dropped call or no message53 8%
Medical & prescriptions26 4%
Warranties & protection plans14 2%
Lotteries, prizes & sweepstakes5 1%

Where the people who complained live

Sep 11 – Oct 22, 2026

StateComplaints
Louisiana312 48%
Texas41 6%
California25 4%
Florida25 4%
New York23 4%

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 337 location and prefixes

Prefixes assigned617428 in number pools
Exchange areas75Lafayette holds 21%
Counties14Lafayette Parish, Calcasieu Parish, St. Landry Parish, and others
Largest exchange areas
Exchange (NANPA)PlaceCountyPrefixes
LAFAYETTELafayetteLafayette Parish130
LK CHARLESLake CharlesCalcasieu Parish80
NEW IBERIANew IberiaIberia Parish28
LEESVILLELeesvilleVernon Parish22
OPELOUSASOpelousasSt. Landry Parish21
ABBEVILLEAbbevilleVermilion Parish18
CROWLEYCrowleyAcadia Parish15
SULPHURSulphurCalcasieu Parish15
DE RIDDERDeRidderspans 2 counties13
BROUSSARDBroussardspans 2 counties10

Plus 65 smaller exchange areas.

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

Nearby area codes

Nearest by exchange location

Other codes in Louisiana

NANPA record

Location
Louisiana
Assigned by NANPA
April 15, 1999
Created from
318
Local dialing
10 digits (NANPA: 10D)
NANPA planning letters
PL-556, PL-544, PL-188

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

Is 337 running out of numbers?

Forecast exhaust (April 2026)2Q 2053for 337 · in about 27 years

Previous forecast (October 2025): 2045, moved later by 8 years.

Forecast exhaust year by edition

33720352045205520652038Oct 20232036Apr 20242037Oct 20242039Apr 20252045Oct 20252053Apr 2026

Source: NANPA NRUF forecast, April 2026 edition.

Who holds 337 prefixes

The five largest of 51 original holders

As listed by NANPA, not today’s carrier.

Holder (as listed)Prefixes
South Central Bell Tel143 23%
New Cingular Wireless PCS, LLC98 16%
Verizon Wireless53 9%
Paetec Itel, LLC34 6%
Brightspeed Of Louisiana, LLC33 5%

Source: NANPA CO codes of Oct 23, 2026.

Questions about area code 337

What area code is 337?

A Louisiana area code, in service since October 11, 1999.

Where is 337 area code, and what time zone is it in?

Lafayette, LA; Central Time.

Why am I getting spam calls from 337?

498 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).

Will 337 get a new area code?

NANPA forecasts exhaust in 2Q 2053; no relief planning listed.