Area code 223
2,125 number blocks indexed across 36 carriers.
States: PA (2,125)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 547E | Onvoy LLC - PA | Chicago, IL | Competitive Local Exchange Carrier | 823 | 64 | sinch.com |
| 6846 | D&E/Omnipoint Wireless Joint Venture LP dba PCS One | Ephrata, PA | Personal Communications Service (Wireless) | 227 | 55 | t-mobile.com |
| 6392 | Cellco Partnership dba Verizon Wireless - PA | Olathe, KS | Wireless Carrier | 196 | 53 | verizonwireless.com |
| 4036 | New Cingular Wireless PCS LLC - DC | Atlanta, GA | Wireless Carrier | 94 | 40 | att.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 24 | 14 | verizon.com |
| 7315 | Teleport Communications America LLC - PA | Staten Island, NY | Competitive Local Exchange Carrier | 22 | 10 | att.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 25 | 7 | dish.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 124 | 4 | |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 4 | 4 | exiantcom.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 58 | 2 | comcast.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 10 | 2 | brightlink.com |
| 7309 | Teleport Communications America LLC - PA | Staten Island, NY | Competitive Local Exchange Carrier | 9 | 2 | att.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 8 | 2 | hdcarrier.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 3 | 2 | terranova.net |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 84 | — | coretel.net |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 69 | — | telnyx.com |
| 002F | Bandwidth.com CLEC LLC - PA | Cary, NC | Competitive Local Exchange Carrier | 56 | — | bandwidth.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 56 | — | fractel.net |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 47 | — | commio.com |
| 4007 | Level 3 Communications LLC - PA | Westminster, CO | Competitive Local Exchange Carrier | 44 | — | centurylink.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 36 | — | metropcs.com |
| 967E | Peerless Network of Pennsylvania LLC - PA | Chicago, IL | Competitive Local Exchange Carrier | 36 | — | peerlessnetwork.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 3806 | Core Communications Inc - PA | Annapolis, MD | Competitive Local Exchange Carrier | 10 | — | coretel.net |
| 622J | Skye Telecom LLC dba Skyetel | Vancouver, WA | IP-Enabled Service / VoIP | 8 | — | skyetel.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 7 | — | |
| 7434 | MCImetro Access Transmission Services LLC - PA | Vienna, VA | Competitive Local Exchange Carrier | 7 | — | verizon.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 6 | — | vonage.com |
| 506J | Twilio International Inc | San Francisco, CA | IP-Enabled Service / VoIP | 5 | — | twilio.com |
| 425J | CSC Wireless LLC | Long Island City, NY | Wireless Carrier | 2 | — | alticeusa.com |
| 464H | Finger Lakes Technologies Group Inc - PA | Victor, NY | Competitive Local Exchange Carrier | 2 | — | fltg.com |
| 475J | Callworks Corporation | Fair Oaks, TX | IP-Enabled Service / VoIP | 2 | — | callworks.me |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 2 | — | brightlink.com |
| 495J | Stratus Networks Inc | Peoria Heights, IL | IP-Enabled Service / VoIP | 2 | — | stratusnet.com |
| 784E | Block Line Systems LLC - PA | Glen Mills, PA | Competitive Local Exchange Carrier | 1 | — | infinitecomm.biz |