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Area Code 337 Location & Details

State / Region: Louisiana • Country: United States

Major Cities Covered: Lafayette, Lake Charles, New Iberia, Sulphur, Youngsville, Broussard, Opelousas, Carencro, Crowley, Abbeville

Standard Dial Format
+1 (337) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 337?
LouisianaState Hub →
Country Territory
United States
337 Area Code Time Zone
Central
337 Overlay Codes
No Overlays

Area Code 337 Geographic Map

Interactive location bounds and coverage area for Louisiana (Central Timezone)

Lat: 30.33° • Lng: -92.44°
📍 Geographic Center: LouisianaMap data © OpenStreetMap contributors

Where is Area Code 337 Located?

Telephone area code 337 is assigned to Louisiana in United States. It serves cities and metropolitan communities including Lafayette, Lake Charles, New Iberia, Sulphur, Youngsville, Broussard, Opelousas, Carencro, Crowley, Abbeville.

Historical Context & Area Code Overlay Information:337 serves Louisiana (United States).

For local and long-distance calls within area code 337, standard 10-digit dialing (337) XXX-XXXX applies.

Who Called Me from Area Code 337?

Received an unknown call, missed call, or text scam from area code 337? Here is how to trace who is calling from 337 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 337 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 337:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 337 & Dialing Format

When placing a phone call to a number in area code 337, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (337) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 337 + 7-digit number.
  • Do I need to dial area code 337 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 337

Urban centers, census places, and communities within the +1-337 calling area

50 Major Cities Listed
City NameCountyPopulation% of 337 Pop
LafayetteLafayette Parish123,31125.6%
Lake CharlesCalcasieu Parish82,67617.2%
New IberiaSt. Martin Parish26,5335.5%
SulphurCalcasieu Parish20,4924.3%
YoungsvilleLafayette Parish19,9804.1%
BroussardLafayette Parish15,7993.3%
OpelousasSt. Landry Parish15,0983.1%
CarencroLafayette Parish13,2242.7%
CrowleyAcadia Parish11,2232.3%
AbbevilleLafayette Parish10,8612.3%
ScottLafayette Parish9,6352.0%
DeridderBeauregard Parish9,5032.0%
JenningsJefferson Davis Parish9,2351.9%
EuniceAcadia Parish9,0351.9%
Breaux BridgeLafayette Parish7,6521.6%
RayneAcadia Parish6,9951.5%
FranklinSt. Mary Parish6,2241.3%
Ville PlatteEvangeline Parish6,1721.3%
St. MartinvilleSt. Martin Parish5,2291.1%
LeesvilleVernon Parish5,2101.1%

Counties Covered by Area Code 337

Geographic county distribution and population coverage across Louisiana

County NameTotal Population% of 337 Area% of County
Lafayette Parish254,67443.3%82%
Calcasieu Parish207,02723.1%54%
St. Martin Parish51,3017.9%74%
Acadia Parish57,1037.2%61%
St. Landry Parish81,0484.4%26%
Jefferson Davis Parish31,5273.8%58%
Beauregard Parish36,6382.8%36%
Evangeline Parish32,0142.2%33%
Vernon Parish46,0791.8%19%
St. Mary Parish46,9731.6%17%
Vermilion Parish57,6050.9%7%
Allen Parish22,7340.9%19%
Pointe Coupee Parish19,8630.2%4%

☎️Area Code 337 Exchange Prefixes & Carriers

Showing 50 of 617 central office 3-digit prefixes and assigned telecom carriers

65% Landline29% Wireless6% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(337) 200-📱WirelessBASILECELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA03/16/2004
(337) 201-📱WirelessNEW IBERIAMETROPCS, INC.N/A
(337) 202-📞LandlineDE RIDDERPAETEC ITEL, LLCN/A
(337) 203-📱WirelessLACASSINENEW CINGULAR WIRELESS PCS, LLC - GA09/07/2022
(337) 204-📞LandlineXXXXXXXXXXBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 205-📞LandlineLAFAYETTELEVEL 3 COMMUNICATIONS, LLC - LAN/A
(337) 206-📞LandlineOPELOUSASADVANCED TEL., INC. - LAN/A
(337) 207-📱WirelessLAFAYETTECELLCO PARTNERSHIP DBA VERIZON WIRELESS - LAN/A
(337) 208-📱WirelessLEESVILLENEW CINGULAR WIRELESS PCS, LLC - GAN/A
(337) 209-📞LandlineNEW IBERIAADVANCED TEL., INC. - LAN/A
(337) 210-📞LandlineLAFAYETTELEVEL 3 COMMUNICATIONS, LLC - LAN/A
(337) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(337) 212-📱WirelessLAFAYETTEMETROPCS, INC.N/A
(337) 213-📱WirelessLEESVILLEMETROPCS, INC.12/19/2002
(337) 214-📞LandlineLK CHARLESLEVEL 3 COMMUNICATIONS, LLC - LAN/A
(337) 215-📱WirelessSULPHURMETROPCS, INC.N/A
(337) 216-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 217-📞LandlineLK CHARLESBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 218-📱WirelessJENNINGSMETROPCS, INC.03/12/2003
(337) 219-📞LandlineLK CHARLESSPOK, INC.N/A
(337) 220-📞LandlineTURKEY CRKCENTURYLINK COMMUNICATIONS, LLCN/A
(337) 221-📞LandlineDE RIDDERPAETEC ITEL, LLC05/31/2013
(337) 222-📱WirelessDE QUINCYMETROPCS, INC.03/19/2004
(337) 223-📱WirelessGUEYDANCELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA05/03/2002
(337) 224-📱WirelessLAFAYETTECELLCO PARTNERSHIP DBA VERIZON WIRELESS - LAN/A
(337) 225-📞LandlineKAPLANKAPLAN TEL. CO.N/A
(337) 226-📱WirelessDE RIDDERCELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA03/10/2011
(337) 227-📱WirelessCHURCH PTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA03/16/2004
(337) 228-📞LandlineHENDERSONBRIGHTSPEED OF LOUISIANA, LLCN/A
(337) 229-📞LandlineLOREAUVLBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 230-📱WirelessLAFAYETTECELLCO PARTNERSHIP DBA VERIZON WIRELESS - LAN/A
(337) 231-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 232-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 233-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 234-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 235-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 236-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 237-📞LandlineLAFAYETTEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 238-📞LandlineLEESVILLEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 239-📞LandlineLEESVILLEBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TELN/A
(337) 240-📱WirelessLK CHARLESNEW CINGULAR WIRELESS PCS, LLC - GA04/04/2002
(337) 241-📱WirelessJEANERETTECELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA02/13/2002
(337) 242-📱WirelessSTMARTINVLNEW CINGULAR WIRELESS PCS, LLC - GA11/23/2015
(337) 243-💻VoIPCENTERVLONVOY, LLC - LA03/18/2016
(337) 244-📱WirelessLK CHARLESCELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA03/10/2005
(337) 245-📱WirelessSWEET LAKENEW CINGULAR WIRELESS PCS, LLC - GA07/01/2009
(337) 246-📱WirelessJENNINGSNEW CINGULAR WIRELESS PCS, LLC - GA03/14/2001
(337) 247-📱WirelessLAFAYETTECELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA05/23/2001
(337) 248-📞LandlineBROUSSARDADVANCED TEL., INC. - LA09/24/2001
(337) 249-📱WirelessSWEET LAKEMETROPCS, INC.03/09/2001

Frequently Asked Questions about Area Code 337

Where is area code 337 located?

Area code 337 is located in Louisiana (United States), serving cities like Lafayette, Lake Charles, New Iberia, Sulphur, Youngsville, Broussard, Opelousas, Carencro, Crowley, Abbeville.

What timezone is area code 337?

Area code 337 operates in the Central timezone.

What state is area code 337?

Area code 337 is assigned to the state / telecom territory of Louisiana.

Is area code 337 a scam or dangerous?

Area code 337 is an official geographic area code for Louisiana. However, beware of robocaller spoofing.

Louisiana State Area Codes

View complete directory of telephone area codes assigned to Louisiana.

Explore Louisiana Directory

Get a 337 Business Phone Number

How to acquire a virtual phone number or business line with area code 337 for local customer trust in Louisiana.

Get 337 Business Number
🛡️ Scam & Safety Directory

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Overlay & Nearby Area Codes for Louisiana

Explore neighboring telecom prefixes sharing geographical boundaries with area code 337.

225
Central
Area Code 225
Baton Rouge, St. George, Central, Zachary, Gonzales, Baker, Denham Springs, Addis, Donaldsonville, St. Gabriel
318
Central
Area Code 318
Shreveport, Bossier City, Monroe, Alexandria, Ruston, Natchitoches, Pineville, West Monroe, Minden, Bastrop
457
Central
Area Code 457
Shreveport, Bossier City, Monroe, Alexandria, Ruston, Natchitoches, Pineville, West Monroe, Minden, Bastrop
504
Central
Area Code 504
New Orleans, Kenner, Gretna, Harahan, Westwego, Jean Lafitte
985
Central
Area Code 985
Houma, Slidell, Hammond, Thibodaux, Mandeville, Covington, Morgan City, Bogalusa, Ponchatoula, Patterson