Area code 337
4,231 number blocks indexed across 52 carriers.
States: LA (4,231)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6214 | New Cingular Wireless PCS LLC - GA | Atlanta, GA | Wireless Carrier | 884 | 31 | att.com |
| 749E | Onvoy LLC - LA | Chicago, IL | Competitive Local Exchange Carrier | 534 | 23 | sinch.com |
| 792K | Charter IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 43 | 5 | |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 25 | 5 | dish.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 6 | 5 | terranova.net |
| 6505 | Cellco Partnership dba Verizon Wireless - LA | Olathe, KS | Wireless Carrier | 247 | 4 | verizonwireless.com |
| 9002 | Lafayette City-Parish Consolidated Government - LA | Lafayette, LA | Underlying Local Exchange Carrier | 29 | 4 | letsrev.com |
| 425J | CSC Wireless LLC | Long Island City, NY | Wireless Carrier | 9 | 3 | alticeusa.com |
| 153F | Bandwidth.com CLEC LLC - LA | Cary, NC | Competitive Local Exchange Carrier | 216 | 2 | bandwidth.com |
| 3232 | Level 3 Communications LLC - LA | Westminster, CO | Competitive Local Exchange Carrier | 164 | 2 | centurylink.com |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 2 | 2 | brightlink.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 150C | Voicestream GSM I LLC | Bellevue, WA | Personal Communications Service (Wireless) | 290 | 1 | t-mobile.com |
| 653C | Teleport Communications America - LA - LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 66 | 1 | att.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 4 | 1 | hdcarrier.com |
| 477H | Airus Inc - LA | Chicago, IL | Competitive Local Exchange Carrier | 3 | 1 | airustel.com |
| 9419 | Bellsouth Telecommunications Inc dba South Central Bell Telephone | Atlanta, GA | Regional Bell Operating Company | 514 | — | att.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 237 | — | metropcs.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 148 | — | |
| 0434 | Brightspeed of Louisiana LLC | Monroe, LA | Incumbent Local Exchange Carrier | 132 | — | centurylink.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 122 | — | comcast.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 90 | — | |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 70 | — | commio.com |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 62 | — | centurylink.com |
| 260H | Cebridge Telecom LA LLC dba Suddenlink Communications - LA | Saint Louis, MO | Competitive Local Exchange Carrier | 46 | — | altice.com |
| 4930 | Louisiana Competitive Telecommunications Inc | Kaplan, LA | Competitive Local Exchange Carrier | 43 | — | kaptel.net |
| 7488 | Level 3 Telecom of Louisiana LLC - LA | Columbia, MD | Competitive Local Exchange Carrier | 41 | — | centurylink.com |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 38 | — | att.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 38 | — | coretel.net |
| 8764 | MCImetro Access Transmission Services LLC - LA | Tampa, FL | Competitive Local Exchange Carrier | 28 | — | verizon.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 15 | — | fractel.net |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 181D | Hunt Telecommunications LLC - LA | Franklinton, LA | Competitive Local Exchange Carrier | 10 | — | |
| 0425 | Cameron Telephone Company LLC | Sulphur, LA | Incumbent Local Exchange Carrier | 7 | — | camtel.com |
| 6630 | Spok Inc | Plano, TX | Wireless Carrier | 6 | — | spok.com |
| 0432 | Kaplan Telephone Company | Kaplan, LA | Incumbent Local Exchange Carrier | 5 | — | kaptel.net |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 5 | — | brightlink.com |
| 8839 | Advanced Telephone Inc - LA | Gonzales, LA | Competitive Local Exchange Carrier | 5 | — | letsrev.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 4 | — | vonage.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 4 | — | |
| 551G | NUSO LLC | Atlanta, GA | Wireless Carrier | 3 | — | 365wireless.net |
| 645C | LBH LLC dba Cameron Communications - LA | Sulphur, LA | Competitive Local Exchange Carrier | 3 | — | jsitel.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | — | telnyx.com |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 2 | — | exiantcom.com |
| 506J | Twilio International Inc | San Francisco, CA | IP-Enabled Service / VoIP | 2 | — | twilio.com |
| 606F | Global Data Systems Inc - LA | Lafayette, LA | Competitive Local Exchange Carrier | 2 | — | getgds.com |
| 650C | Detel Wireless LLC - LA | Baton Rouge, LA | Competitive Local Exchange Carrier | 2 | — | detel.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 2 | — | verizon.com |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 2 | — | att.com |
| 0428 | Delcambre Telephone Company | Delcambre, LA | Incumbent Local Exchange Carrier | 1 | — | delcambre.net |
| 0430 | Elizabeth Telephone Company | Sulphur, LA | Incumbent Local Exchange Carrier | 1 | — | camtel.com |
| 9748 | American Messaging Services LLC | Lewisville, TX | Wireless Carrier | 1 | — | americanmessaging.net |