Area code 618
5,993 number blocks indexed across 63 carriers.
States: IL (5,993)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 154 | 62 | |
| 6534 | New Cingular Wireless PCS LLC - IL | Atlanta, GA | Wireless Carrier | 892 | 34 | att.com |
| 6333 | Cellco Partnership dba Verizon Wireless - IL | Olathe, KS | Wireless Carrier | 433 | 11 | verizonwireless.com |
| 224C | Onvoy LLC | Chicago, IL | Competitive Local Exchange Carrier | 893 | 8 | sinch.com |
| 063E | Peerless Network of Illinois LLC - IL | Chicago, IL | Competitive Local Exchange Carrier | 92 | 6 | peerlessnetwork.com |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 45 | 5 | att.com |
| 6115 | Level 3 Communications LLC - IL | Westminster, CO | Competitive Local Exchange Carrier | 269 | 3 | centurylink.com |
| 6529 | T-Mobile USA Inc | Bellevue, WA | Personal Communications Service (Wireless) | 546 | 2 | t-mobile.com |
| 984E | Bandwidth.com CLEC LLC - IL | Cary, NC | Competitive Local Exchange Carrier | 147 | 2 | bandwidth.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 2 | 2 | terranova.net |
| 7136 | Teleport Communications America LLC - IL | Staten Island, NY | Competitive Local Exchange Carrier | 92 | 1 | att.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 81 | 1 | metropcs.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 5 | 1 | brightlink.com |
| 1015 | Frontier North Inc - IL | Rochester, NY | Incumbent Local Exchange Carrier | 482 | — | frontier.com |
| 9329 | Ameritech Illinois | Hoffman Estates, IL | Regional Bell Operating Company | 443 | — | att.com |
| 1183 | Citizens Telecommunications Company of Illinois dba Frontier Citizens Communications of Illinois | Rochester, NY | Incumbent Local Exchange Carrier | 204 | — | frontier.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 154 | — | telnyx.com |
| 792K | Charter IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 116 | — | |
| 495J | Stratus Networks Inc | Peoria Heights, IL | IP-Enabled Service / VoIP | 111 | — | stratusnet.com |
| 9915 | Delta Communications LLC dba Clearwave Communications - IL | Harrisburg, IL | Competitive Local Exchange Carrier | 103 | — | yourclearwave.com |
| 1036 | Frontier North Inc - IL | Rochester, NY | Incumbent Local Exchange Carrier | 95 | — | frontier.com |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 87 | — | centurylink.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 63 | — | |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 51 | — | dish.com |
| 846F | Mediacom Telephony of Illinois LLC - IL | Middletown, NY | Competitive Local Exchange Carrier | 47 | — | mediacomcc.com |
| 075A | Delta Communications LLC dba Clearwave Communications - IL | Harrisburg, IL | Underlying Local Exchange Carrier | 44 | — | yourclearwave.com |
| 7196 | MCImetro Access Transmission Services LLC - IL | Vienna, VA | Competitive Local Exchange Carrier | 40 | — | verizon.com |
| 1055 | Frontier Communications - Midland Inc | Rochester, NY | Incumbent Local Exchange Carrier | 38 | — | frontier.com |
| 6214 | New Cingular Wireless PCS LLC - GA | Atlanta, GA | Wireless Carrier | 35 | — | att.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 22 | — | commio.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 593K | MCC Telephony LLC | Mediacom Park, NY | IP-Enabled Service / VoIP | 13 | — | |
| 6265 | United States Cellular - IL | Chicago, IL | Wireless Carrier | 13 | — | uscellular.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 12 | — | verizon.com |
| 1065 | Odin Telephone Exchange Inc | Dodge City, KS | Incumbent Local Exchange Carrier | 11 | — | consolidated.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 11 | — | coretel.net |
| 772H | Wabash Independent Networks Inc dba Wabash Communications | Louisville, IL | Competitive Local Exchange Carrier | 11 | — | wabash.net |
| 1025 | Shawnee Telephone Company | Equality, IL | Incumbent Local Exchange Carrier | 9 | — | shawnee.com |
| 1088 | Wabash Telephone Cooperative Inc | Louisville, IL | Incumbent Local Exchange Carrier | 9 | — | wabash.net |
| 458H | ShawneeLEC Inc | Equality, IL | Competitive Local Exchange Carrier | 9 | — | myshawnee.net |
| 1026 | Harrisonville Telephone Company | Waterloo, IL | Incumbent Local Exchange Carrier | 8 | — | htc.net |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 8 | — | brightlink.com |
| 9748 | American Messaging Services LLC | Lewisville, TX | Wireless Carrier | 8 | — | americanmessaging.net |
| 1003 | Egyptian Telephone Cooperative Association | Steeleville, IL | Incumbent Local Exchange Carrier | 7 | — | egyptian.net |
| 1024 | Hamilton County Telephone Cooperative | Dahlgren, IL | Incumbent Local Exchange Carrier | 7 | — | hamiltoncom.net |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 6 | — | comcast.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 6 | — | fractel.net |
| 1049 | Madison Telephone Company | Hamel, IL | Incumbent Local Exchange Carrier | 5 | — | madisontelco.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 5 | — | vonage.com |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 5 | — | att.com |
| 9533 | Southwestern Bell Telephone Company | Dallas, TX | Regional Bell Operating Company | 5 | — | att.com |
| 248J | Futiva LLC - IL | Dahlgren, IL | Competitive Local Exchange Carrier | 4 | — | jsitel.com |
| 506J | Twilio International Inc | San Francisco, CA | IP-Enabled Service / VoIP | 4 | — | twilio.com |
| 551G | NUSO LLC | Atlanta, GA | Wireless Carrier | 4 | — | 365wireless.net |
| 622J | Skye Telecom LLC dba Skyetel | Vancouver, WA | IP-Enabled Service / VoIP | 4 | — | skyetel.com |
| 0978 | Alhambra-Grantfork Telephone Company | Alhambra, IL | Incumbent Local Exchange Carrier | 2 | — | agtelco.com |
| 0993 | Crossville Telephone Company | Crossville, IL | Incumbent Local Exchange Carrier | 1 | — | crosstelco.com |
| 1012 | Flat Rock Telephone Cooperative Inc | Flat Rock, IL | Incumbent Local Exchange Carrier | 1 | — | wabash.net |
| 1020 | Grafton Telephone Company | Grafton, IL | Incumbent Local Exchange Carrier | 1 | — | |
| 1032 | Home Telephone Company - IL | Saint Jacob, IL | Incumbent Local Exchange Carrier | 1 | — | hci-ks.com |
| 1854 | Grafton Technologies Inc - IL | Grafton, IL | Competitive Local Exchange Carrier | 1 | — | gtec.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 1 | — | |
| 6769 | Novacom Inc | Herrin, IL | Wireless Carrier | 1 | — | novacomcommunications.com |