Area code 728
637 number blocks indexed across 21 carriers.
States: FL (637)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 937C | Onvoy LLC - FL | Chicago, IL | Competitive Local Exchange Carrier | 113 | 80 | sinch.com |
| 6214 | New Cingular Wireless PCS LLC - GA | Atlanta, GA | Wireless Carrier | 125 | 72 | att.com |
| 6502 | Cellco Partnership dba Verizon Wireless - FL | Olathe, KS | Wireless Carrier | 182 | 53 | verizonwireless.com |
| 982E | Bandwidth.com CLEC LLC - FL | Cary, NC | Competitive Local Exchange Carrier | 20 | 11 | bandwidth.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 23 | 10 | |
| 8300 | Teleport Communications America LLC - FL | Staten Island, NY | Competitive Local Exchange Carrier | 11 | 9 | att.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 8 | 8 | |
| 6889 | Omnipoint Miami E License LLC | Bellevue, WA | Personal Communications Service (Wireless) | 42 | 6 | t-mobile.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 13 | 4 | dish.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 27 | 3 | hdcarrier.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 7 | 2 | telnyx.com |
| 8664 | MCImetro Access Transmission Services LLC - FL | Tampa, FL | Competitive Local Exchange Carrier | 2 | 2 | verizon.com |
| 704G | Wide Voice LLC - FL | Las Vegas, NV | Competitive Local Exchange Carrier | 29 | — | widevoice.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 693K | LiveWire Telecom LLC | Longwood, FL | Competitive Local Exchange Carrier | 7 | — | |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 4 | — | comcast.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 4 | — | commio.com |
| 0051 | Shelcomm | Baldwin Park, CA | Wireless Carrier | 2 | — | |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 2 | — | leap.tel |
| 382G | Terra Nova Telecom Inc - FL | Key Largo, FL | Competitive Local Exchange Carrier | 1 | — | tntelecom.net |
| 4802 | Level 3 Communications LLC - FL | Westminster, CO | Competitive Local Exchange Carrier | 1 | — | centurylink.com |