Area code 281
5,284 number blocks indexed across 47 carriers.
States: TX (5,284)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6506 | Cellco Partnership dba Verizon Wireless - TX | Olathe, KS | Wireless Carrier | 380 | 24 | verizonwireless.com |
| 6534 | New Cingular Wireless PCS LLC - IL | Atlanta, GA | Wireless Carrier | 252 | 14 | att.com |
| 903C | Onvoy LLC - TX | Chicago, IL | Competitive Local Exchange Carrier | 491 | 9 | sinch.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 6 | 6 | terranova.net |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 48 | 4 | |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 2 | 2 | |
| 6701 | Aerial Communications Inc | Chicago, IL | Personal Communications Service (Wireless) | 480 | 1 | t-mobile.com |
| 004F | Bandwidth.com CLEC LLC - TX | Cary, NC | Competitive Local Exchange Carrier | 270 | 1 | bandwidth.com |
| 7148 | Teleport Communications America LLC - TX | Staten Island, NY | Competitive Local Exchange Carrier | 1 | 1 | att.com |
| 9533 | Southwestern Bell Telephone Company | Dallas, TX | Regional Bell Operating Company | 1,191 | — | att.com |
| 6114 | Level 3 Communications LLC - TX | Westminster, CO | Competitive Local Exchange Carrier | 337 | — | centurylink.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 319 | — | metropcs.com |
| 4344 | Frontier Southwest Incorporated dba Frontier Communications of Texas | Irving, TX | Regional Bell Operating Company | 225 | — | frontier.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 170 | — | comcast.com |
| 7239 | MCImetro Access Transmission Services LLC - TX | Vienna, VA | Competitive Local Exchange Carrier | 169 | — | verizon.com |
| 7074 | Level 3 of Telecom of Texas LLC - TX | Littleton, CO | Competitive Local Exchange Carrier | 143 | — | twcable.com |
| 7138 | Teleport Communications America LLC - TX | Staten Island, NY | Competitive Local Exchange Carrier | 113 | — | att.com |
| 2072 | Consolidated Communications of Texas Company | Irving, TX | Incumbent Local Exchange Carrier | 105 | — | consolidated.com |
| 7670 | Grande Communications Networks Inc - TX | San Marcos, TX | Competitive Local Exchange Carrier | 94 | — | grandecom.com |
| 2114 | Brightspeed of Texas Inc | Overland Park, KS | Incumbent Local Exchange Carrier | 81 | — | centurylink.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 58 | — | verizon.com |
| 2147 | Windstream Sugar Land LLC | Little Rock, AR | Incumbent Local Exchange Carrier | 48 | — | windstream.com |
| 177F | Peerless Network of Texas LLC - TX | Chicago, IL | Competitive Local Exchange Carrier | 47 | — | peerlessnetwork.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 41 | — | |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 35 | — | att.com |
| 6630 | Spok Inc | Plano, TX | Wireless Carrier | 18 | — | spok.com |
| 2154 | Frontier Southwest Incorporated dba Frontier Communications of Texas | Irving, TX | Regional Bell Operating Company | 17 | — | frontier.com |
| 997G | Local Access LLC - TX | Windermere, FL | Competitive Local Exchange Carrier | 17 | — | |
| 318C | Cebridge Telecom TX LP - TX | Atlanta, GA | Competitive Local Exchange Carrier | 15 | — | altice.com |
| 2091 | ETS Telephone Company Inc | Houston, TX | Incumbent Local Exchange Carrier | 14 | — | rcn.com |
| 671J | U.S. Telepacific Corporation dba TPx Communications | Las Vegas, NV | IP-Enabled Service / VoIP | 14 | — | tpx.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 13 | — | att.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 12 | — | telnyx.com |
| 473F | USFon Inc - TX | West Lake Hills, TX | Competitive Local Exchange Carrier | 9 | — | usfon.org |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 8 | — | centurylink.com |
| 7399 | Westel Inc - TX | Austin, TX | Competitive Local Exchange Carrier | 7 | — | westelsystems.com |
| 139F | Evolve Cellular Inc | Austin, TX | Wireless Carrier | 6 | — | worldcall.net |
| 2109 | Consolidated Communications of Texas Company | Irving, TX | Incumbent Local Exchange Carrier | 2 | — | consolidated.com |
| 7726 | Southwestern Bell Telephone Company - TX | Dallas, TX | Competitive Local Exchange Carrier | 2 | — | att.com |
| 792K | Charter IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 2 | — | |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 2 | — | commio.com |
| 9748 | American Messaging Services LLC | Lewisville, TX | Wireless Carrier | 2 | — | americanmessaging.net |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 1 | — | vonage.com |
| 495J | Stratus Networks Inc | Peoria Heights, IL | IP-Enabled Service / VoIP | 1 | — | stratusnet.com |
| 6591 | Teletouch Communications Inc | Tyler, TX | Wireless Carrier | 1 | — | |
| 7715 | Matrix Telecom LLC SII TNCI - TX | San Antonio, TX | Competitive Local Exchange Carrier | 1 | — | lingo.com |