Full RespOrg directory
Every Responsible Organization in the toll free registry, sorted by active inventory. 478 RespOrgs, 47,313,307 active numbers, snapshot 2026-09.
| # | Code | Name | Active numbers | Vanity % | Median age (months) |
|---|---|---|---|---|---|
| 1 | JY | Bandwidth | 6,696,743 | 18.2% | 22 |
| 2 | TW | Twilio | 5,669,397 | 14.2% | 38 |
| 3 | VZ | Verizon Business | 4,519,518 | 16.9% | 176 |
| 4 | MY | Mayfair Communication | 3,954,571 | 46.3% | 46 |
| 5 | AT | AT&T | 1,988,531 | 20.8% | 157 |
| 6 | SO | Signal One | 1,863,032 | 25.6% | 79 |
| 7 | LQ | Inteliquent | 1,652,576 | 14.7% | 16 |
| 8 | YV | Invoca | 1,288,575 | 11.6% | 59 |
| 9 | QI | Telnyx | 876,837 | 11.3% | 3 |
| 10 | MT | Toll Free Management | 869,901 | 16.0% | 13 |
| 11 | AU | ATL Communications | 771,809 | 17.0% | 34 |
| 12 | KS | Lumen Technologies | 703,271 | 21.3% | 95 |
| 13 | RB | RingCentral | 690,538 | 25.3% | 6 |
| 14 | TZ | Amazon.com | 648,191 | 14.3% | 31 |
| 15 | IU | Interactive RespOrg Management | 640,324 | 21.1% | 19 |
| 16 | QY | Inteliquent | 556,902 | 19.9% | 51 |
| 17 | OU | CallSource | 530,941 | 23.4% | 36 |
| 18 | FP | Opentext | 528,255 | 16.7% | 110 |
| 19 | BP | Five 9, Inc. | 513,866 | 17.8% | 24 |
| 20 | GD | ANI Networks | 458,323 | 17.8% | 17 |
| 21 | JF | Inteliquent | 452,880 | 16.4% | 82 |
| 22 | JW | WireStar | 445,293 | 46.4% | 45 |
| 23 | FO | Flotrax | 408,864 | 20.7% | 26 |
| 24 | EU | TELUS Corporation | 407,395 | 18.5% | 128 |
| 25 | IW | Call8 | 404,018 | 23.6% | 19 |
| 26 | ZX | Haven Partners | 388,771 | 57.4% | 23 |
| 27 | GA | Comet Media | 357,384 | 18.3% | 2 |
| 28 | TU | Excel Telecommunications | 346,388 | 9.6% | 1 |
| 29 | OT | Vonage | 302,875 | 19.6% | 52 |
| 30 | EF | Pestilence Labs LLC | 290,869 | 11.0% | 7 |
| 31 | HB | HFA Holdings | 272,850 | 12.1% | 5 |
| 32 | BC | Incontact | 272,027 | 17.0% | 52 |
| 33 | LG | Lumen Technologies | 243,083 | 25.9% | 133 |
| 34 | HL | Unilink Telcom | 242,186 | 56.4% | 45 |
| 35 | RL | Rogers Communications | 201,172 | 22.5% | 128 |
| 36 | CB | Crossbow Telecom | 185,488 | 43.6% | 45 |
| 37 | YL | Yorkshire Telecom | 184,803 | 31.1% | 46 |
| 38 | NX | Verizon | 183,250 | 23.0% | 224 |
| 39 | CN | Bell Canada | 182,213 | 27.4% | 104 |
| 40 | WL | BCM One | 165,483 | 21.7% | 50 |
| 41 | GO | Google Voice | 163,269 | 21.8% | 108 |
| 42 | JE | Sinch | 160,315 | 17.2% | 29 |
| 43 | PN | Peerless Network | 155,870 | 18.3% | 5 |
| 44 | LE | Intelepeer | 153,335 | 19.9% | 34 |
| 45 | ID | Brightlink | 148,636 | 17.9% | 19 |
| 46 | DL | BH Telecom | 142,497 | 32.3% | 20 |
| 47 | JT | Comcast | 118,828 | 28.7% | 119 |
| 48 | BR | Somos Help Desk | 113,008 | 3.1% | 50 |
| 49 | RO | Rolinium | 104,735 | 65.6% | 147 |
| 50 | ND | NumberBarn | 104,539 | 68.6% | 9 |
| 51 | VT | Veracity | 101,874 | 17.0% | 25 |
| 52 | VN | thinQ | 100,801 | 19.4% | 20 |
| 53 | HT | Beta Texting | 100,596 | 48.3% | 72 |
| 54 | RS | AccessLine | 98,544 | 24.4% | 43 |
| 55 | HV | Call Haven | 98,104 | 41.9% | 21 |
| 56 | KO | Call Delivery Systems | 96,468 | 59.5% | 109 |
| 57 | JN | Interactivetel | 92,512 | 19.0% | 53 |
| 58 | BE | Verizon Communications | 87,863 | 36.3% | 237 |
| 59 | IY | Intelemedia | 79,900 | 12.2% | 80 |
| 60 | IG | Genesys Telecom | 77,751 | 19.7% | 26 |
| 61 | TP | VoIP Innovations | 75,850 | 24.3% | 22 |
| 62 | ZY | Dialpad | 75,543 | 22.9% | 26 |
| 63 | HR | Teltana | 74,011 | 82.2% | 147 |
| 64 | AW | AT&T Long Distance | 73,607 | 33.9% | 225 |
| 65 | QT | TouchTone | 71,973 | 18.4% | 11 |
| 66 | HP | Inteliquent | 69,140 | 26.5% | 54 |
| 67 | NU | Navigata | 66,583 | 21.7% | 66 |
| 68 | NA | National Sales Partners | 64,812 | 23.3% | 6 |
| 69 | ZP | Zipline | 60,747 | 52.5% | 45 |
| 70 | NR | NOS Communications | 60,576 | 26.4% | 7 |
| 71 | LL | Plivo | 60,494 | 11.3% | 45 |
| 72 | BA | Beckham Telecom | 58,857 | 48.9% | 16 |
| 73 | BU | Bluekey Communications | 57,776 | 41.0% | 45 |
| 74 | XN | Nuwave | 55,296 | 14.2% | 19 |
| 75 | PJ | Independent Resporg | 55,125 | 21.3% | 4 |
| 76 | OM | Intrado Communications | 53,748 | 15.6% | 17 |
| 77 | LF | LiveVox | 53,002 | 13.2% | 34 |
| 78 | PI | PrimeTel | 52,880 | 45.8% | 45 |
| 79 | LS | LeaseHawk | 51,895 | 10.6% | 124 |
| 80 | HH | Serenova | 51,694 | 7.1% | 10 |
| 81 | IP | IDT Corporation | 47,532 | 20.5% | 2 |
| 82 | XX | United2 | 47,418 | 13.2% | 97 |
| 83 | QC | 382 Communications | 47,269 | 15.4% | 6 |
| 84 | FV | Toll Free Express | 46,628 | 46.4% | 13 |
| 85 | NT | Nextway Communications | 46,537 | 51.4% | 44 |
| 86 | QU | QuestBlue Systems, Inc | 45,874 | 13.3% | 38 |
| 87 | VM | Grasshopper | 45,602 | 66.4% | 16 |
| 88 | BH | Beacon Communications | 42,570 | 17.5% | 10 |
| 89 | NS | Network Telephone Services | 40,906 | 56.2% | 80 |
| 90 | NV | Magna5 | 38,110 | 13.8% | 58 |
| 91 | GI | Tata Communications Canada Ltd. | 37,445 | 18.4% | 36 |
| 92 | IF | CallFire | 36,850 | 12.2% | 75 |
| 93 | JQ | Callture | 36,061 | 46.3% | 69 |
| 94 | YU | NobelBiz | 35,974 | 17.8% | 33 |
| 95 | KD | Airespring | 35,239 | 16.1% | 22 |
| 96 | AY | Trevica, LLC /Vaco | 33,611 | 57.9% | 85 |
| 97 | XB | THE Telco | 33,259 | 61.5% | 4 |
| 98 | FL | Frontier | 32,795 | 33.6% | 113 |
| 99 | II | Ignite | 30,008 | 3.8% | 41 |
| 100 | FZ | VBI | 28,336 | 40.7% | 13 |
| 101 | BK | Bulk Solutions, LLC | 28,028 | 46.0% | 33 |
| 102 | WK | Granite Tel | 27,317 | 23.0% | 110 |
| 103 | QE | Cox Communications | 27,289 | 31.1% | 79 |
| 104 | VX | Voxeo Corp | 27,229 | 19.9% | 12 |
| 105 | SW | Science West Services | 27,029 | 56.5% | 75 |
| 106 | XZ | TSG Global | 26,484 | 13.5% | 31 |
| 107 | CR | Coore, Inc. | 25,054 | 73.1% | 104 |
| 108 | RY | Flotrax | 24,829 | 35.8% | 13 |
| 109 | AX | CallTower | 24,699 | 29.4% | 30 |
| 110 | GT | Verizon | 24,353 | 36.4% | 237 |
| 111 | IN | Lumen Technologies | 24,255 | 23.1% | 137 |
| 112 | PG | PNG | 23,721 | 17.7% | 20 |
| 113 | LP | 800 Response | 23,721 | 41.8% | 5 |
| 114 | SL | 7G Network | 23,666 | 23.3% | 43 |
| 115 | QZ | Resporgs.com | 23,238 | 67.6% | 28 |
| 116 | UZ | Unitel | 21,965 | 48.1% | 19 |
| 117 | TX | Tiny Planet | 21,915 | 76.5% | 88 |
| 118 | RZ | RouteTrust | 21,878 | 40.6% | 12 |
| 119 | UW | Qwest | 21,754 | 23.2% | 196 |
| 120 | KI | APIO | 21,620 | 18.2% | 16 |
| 121 | XH | ISP TELECOM | 21,373 | 39.1% | 41 |
| 122 | PB | Primus | 21,227 | 26.4% | 4 |
| 123 | ET | Express Scripts | 20,945 | 19.5% | 47 |
| 124 | LK | Lincoln Communications Group | 20,479 | 48.9% | 11 |
| 125 | VL | Birch Communications | 20,254 | 21.1% | 37 |
| 126 | UF | Telesmart | 19,459 | 70.9% | 84 |
| 127 | OF | Intermetro Communications | 19,357 | 21.6% | 1 |
| 128 | FQ | Telcoline | 19,075 | 10.9% | 3 |
| 129 | SG | NTT Cloud | 18,850 | 23.8% | 45 |
| 130 | YA | BT Americas | 18,017 | 26.7% | 47 |
| 131 | GE | Fibernetics | 17,889 | 31.3% | 59 |
| 132 | GF | Televergence Solutions, Inc. | 17,659 | 15.9% | 101 |
| 133 | AB | Flotrax | 17,285 | 33.0% | 12 |
| 134 | DB | Cincinnati Bell | 16,888 | 24.4% | 22 |
| 135 | PL | Pilgrim Telephone | 16,600 | 49.6% | 175 |
| 136 | NJ | Number Prospectors | 16,457 | 20.6% | 2 |
| 137 | ME | MetTel | 15,520 | 17.0% | 24 |
| 138 | UL | Lumen Technologies | 15,481 | 21.5% | 135 |
| 139 | EY | Cablevision Lightpath | 14,951 | 37.3% | 65 |
| 140 | HX | Hawaiian Telcom | 14,818 | 23.0% | 243 |
| 141 | IT | Iristel | 14,550 | 42.0% | 21 |
| 142 | WD | Nation Wide 800 | 14,032 | 29.5% | 11 |
| 143 | OQ | Flotrax | 13,569 | 32.5% | 11 |
| 144 | GW | Digitorzo llc | 13,494 | 8.6% | 3 |
| 145 | IX | Lumen Technologies | 13,357 | 14.8% | 60 |
| 146 | QV | Teleperformance | 13,061 | 7.3% | 98 |
| 147 | PY | Fractel | 13,009 | 14.3% | 32 |
| 148 | FS | Futurecom Teleservices | 12,824 | 26.7% | 11 |
| 149 | HU | Flotrax | 12,791 | 29.7% | 12 |
| 150 | OD | Flotrax | 12,662 | 28.9% | 12 |
| 151 | VI | Virtual Communication Services Inc. | 12,536 | 30.5% | 11 |
| 152 | AO | Amrigon Inc. | 12,451 | 31.7% | 11 |
| 153 | YW | YTel | 12,126 | 22.8% | 6 |
| 154 | MN | Communication Management Services | 12,053 | 32.4% | 8 |
| 155 | ES | All8series | 12,047 | 11.9% | 2 |
| 156 | QO | ParkHill Telecom LLC | 11,905 | 31.4% | 11 |
| 157 | JD | Flotrax | 11,592 | 28.7% | 12 |
| 158 | XQ | TollXchange | 11,566 | 14.0% | 8 |
| 159 | DW | AVOXI | 11,291 | 30.9% | 24 |
| 160 | CE | RCN | 11,222 | 27.8% | 54 |
| 161 | HA | VanityNumbersDirect | 11,146 | 32.3% | 10 |
| 162 | BG | The Business Edge Group | 10,850 | 72.2% | 41 |
| 163 | GQ | Gullwing Media | 10,554 | 31.2% | 8 |
| 164 | AJ | 800.COM | 10,181 | 1.8% | 67 |
| 165 | RU | World Wide Telegraph | 10,139 | 24.8% | 27 |
| 166 | VW | Voiceinc.com | 10,065 | 8.7% | 50 |
| 167 | SS | KCG LLC | 9,956 | 14.1% | 6 |
| 168 | KM | Knot Networks | 9,814 | 9.0% | 1 |
| 169 | US | TDS Metrocom | 9,628 | 26.1% | 148 |
| 170 | HO | Sigecom | 9,601 | 27.6% | 124 |
| 171 | RR | Astro Telco | 9,522 | 29.4% | 8 |
| 172 | CX | Charles Schwab & Co. Inc | 9,008 | 21.4% | 55 |
| 173 | VA | Vanity International | 8,754 | 80.0% | 75 |
| 174 | FU | Full Spectrum | 8,702 | 16.0% | 60 |
| 175 | LY | Lynx Telecom | 7,889 | 85.0% | 37 |
| 176 | QK | ASD INC | 7,763 | 17.9% | 16 |
| 177 | LR | 123.Net | 7,736 | 29.3% | 109 |
| 178 | NN | OnNet | 7,667 | 9.6% | 6 |
| 179 | XV | Softline Studios | 7,616 | 71.6% | 84 |
| 180 | TS | Telcom Affiliates | 7,571 | 63.4% | 84 |
| 181 | RE | Telex | 7,563 | 82.2% | 84 |
| 182 | MJ | Micktel Corp | 7,250 | 87.5% | 3 |
| 183 | XS | Global Telecom and Technology (GTT) | 7,109 | 27.5% | 49 |
| 184 | HD | Line Systems | 7,035 | 29.6% | 88 |
| 185 | IV | XO Communications | 6,860 | 16.1% | 107 |
| 186 | UA | U.S. South Communications | 6,834 | 23.0% | 31 |
| 187 | RH | Porting.com DBA ATLaaS | 6,449 | 22.9% | 43 |
| 188 | OS | Proximiti Communications | 6,292 | 16.1% | 142 |
| 189 | JM | Talkroute.com | 6,247 | 35.0% | 35 |
| 190 | OA | OnCall RespOrg Svcs | 6,186 | 63.1% | 108 |
| 191 | BD | Bellsouth LD | 5,798 | 31.9% | 61 |
| 192 | EI | MAP Communications, Inc | 5,770 | 19.4% | 10 |
| 193 | BI | Voce Telecom | 5,725 | 23.4% | 52 |
| 194 | PD | IPtelX | 5,364 | 15.9% | 41 |
| 195 | BW | Bivouac Networks LLC | 5,198 | 6.7% | 51 |
| 196 | TE | Telengy | 5,170 | 49.3% | 109 |
| 197 | AM | AT&T | 5,077 | 22.3% | 39 |
| 198 | UR | Zultys | 5,077 | 26.2% | 8 |
| 199 | VS | Voxtelesys | 4,912 | 27.3% | 14 |
| 200 | GY | Globalgig | 4,726 | 24.9% | 7 |
| 201 | YH | 800ForAll | 4,647 | 21.0% | 7 |
| 202 | RM | Wimactel | 4,574 | 22.8% | 252 |
| 203 | GC | GCI Com | 4,421 | 31.1% | 181 |
| 204 | YT | Number Access | 4,322 | 15.2% | 43 |
| 205 | DE | Suddenlink | 4,299 | 26.9% | 108 |
| 206 | QA | Virtual PBX | 4,297 | 10.4% | 141 |
| 207 | OL | Orange Business Services | 4,222 | 33.1% | 74 |
| 208 | FM | First Media Group | 4,179 | 27.9% | 137 |
| 209 | EJ | DIPVTEL | 4,156 | 10.5% | 2 |
| 210 | GR | Alliance Group | 4,121 | 25.9% | 115 |
| 211 | EM | Advanced Communications Solutions | 3,946 | 11.8% | 46 |
| 212 | WF | The Boulevard Entertainment | 3,943 | 69.5% | 80 |
| 213 | BF | Big River Telephone LLC | 3,872 | 37.8% | 52 |
| 214 | TB | OnSolve | 3,760 | 35.6% | 59 |
| 215 | PH | The Phone Edge | 3,535 | 87.7% | 58 |
| 216 | UO | Utility Telephone | 3,479 | 26.8% | 96 |
| 217 | IS | Aureon | 3,367 | 31.6% | 109 |
| 218 | KJ | Astro Companies | 3,360 | 38.8% | 73 |
| 219 | WO | Word of Mouth | 3,236 | 95.0% | 63 |
| 220 | VJ | Custom Teleconnect | 3,222 | 17.0% | 238 |
| 221 | PA | Paytana | 3,198 | 63.7% | 122 |
| 222 | AD | Alcazar Networks, Inc. | 3,089 | 21.0% | 11 |
| 223 | EE | Advanced Tel | 3,065 | 25.4% | 188 |
| 224 | TM | T-Mobile | 3,061 | 25.5% | 64 |
| 225 | RI | Apeiron | 3,026 | 29.2% | 22 |
| 226 | PC | Pacific Bell | 3,001 | 28.3% | 23 |
| 227 | CH | Convirza | 2,924 | 30.2% | 17 |
| 228 | NL | XO | 2,916 | 23.1% | 82 |
| 229 | QX | Private National Mortgage Acceptance Co | 2,908 | 17.4% | 13 |
| 230 | KT | Telzio | 2,901 | 17.3% | 78 |
| 231 | WT | Telecom House | 2,853 | 36.2% | 132 |
| 232 | SH | SBC | 2,835 | 18.6% | 227 |
| 233 | MD | BluIP | 2,660 | 28.9% | 74 |
| 234 | IK | XIP Services Inc. | 2,369 | 37.3% | 154 |
| 235 | VE | Nex Vortex | 2,171 | 34.8% | 6 |
| 236 | PX | TelNet Worldwide | 2,099 | 31.6% | 87 |
| 237 | OH | CareSource | 2,019 | 69.4% | 110 |
| 238 | BB | Toll-Less.com | 2,010 | 97.4% | 145 |
| 239 | YG | Ziply Fiber LLC | 1,966 | 32.8% | 76 |
| 240 | SA | SAVE 800 | 1,864 | 30.4% | 112 |
| 241 | LI | POPP.com | 1,775 | 44.1% | 114 |
| 242 | DI | DC Communications | 1,707 | 47.5% | 88 |
| 243 | VY | VCOM Solutions | 1,658 | 30.6% | 166 |
| 244 | UD | Lightyear Network Solutions | 1,634 | 2.7% | 10 |
| 245 | KZ | SoVerNet | 1,630 | 33.9% | 76 |
| 246 | WC | Vertex Communications Corporation | 1,592 | 41.9% | 27 |
| 247 | KL | Transaction Network Services | 1,560 | 17.5% | 86 |
| 248 | AR | iconectiv | 1,548 | 70.6% | 93 |
| 249 | RP | Telescan | 1,544 | 16.7% | 61 |
| 250 | LA | ATT Mobility Puerto Rico | 1,515 | 25.3% | 40 |
| 251 | FB | Beanfield Tech | 1,501 | 30.0% | 45 |
| 252 | GV | VOBRE | 1,421 | 26.2% | 51 |
| 253 | BS | AT&T | 1,381 | 25.0% | 131 |
| 254 | IM | Integra Telecom | 1,355 | 19.7% | 77 |
| 255 | OJ | Cbeyond Inc. | 1,341 | 17.9% | 81 |
| 256 | JS | Lumen Technologies | 1,284 | 11.0% | 40 |
| 257 | MQ | Misc Etc | 1,251 | 81.6% | 63 |
| 258 | TH | The Phone Works | 1,244 | 69.2% | 147 |
| 259 | MS | Verint Americas Inc. | 1,238 | 19.5% | 60 |
| 260 | AG | Ancestry | 1,176 | 12.6% | 89 |
| 261 | TJ | TeleServices | 1,141 | 95.4% | 93 |
| 262 | PP | Phoenix Managed Networks | 1,128 | 20.2% | 48 |
| 263 | VB | Voipwalker | 1,112 | 38.6% | 116 |
| 264 | WN | Warning Communications | 1,098 | 84.7% | 190 |
| 265 | NB | FirstLight Fiber | 1,097 | 32.9% | 129 |
| 266 | TK | NetFortris | 1,092 | 25.6% | 177 |
| 267 | AA | AT&T Alascom | 1,091 | 33.3% | 224 |
| 268 | TV | TetraVOX | 1,057 | 97.7% | 163 |
| 269 | EP | iconectiv | 1,053 | 21.3% | 95 |
| 270 | XW | Worldwide Telecomm | 1,013 | 22.4% | 41 |
| 271 | FK | Stratus Networks | 992 | 34.3% | 50 |
| 272 | BO | Teligence US Inc. | 947 | 38.4% | 238 |
| 273 | CJ | Cooperative | 935 | 53.2% | 40 |
| 274 | PZ | Telepacific | 935 | 8.9% | 76 |
| 275 | MB | Numbermed LLC | 931 | · | · |
| 276 | EK | Fundish LLC | 928 | · | · |
| 277 | EA | AT&T Local | 925 | 35.7% | -857 |
| 278 | PR | Puerto Rico Tel | 901 | 22.4% | 96 |
| 279 | QG | Telecom One | 869 | 31.5% | 37 |
| 280 | JJ | Commercial LT Baroda | 845 | 27.2% | 29 |
| 281 | MO | Monmouth Tel | 839 | 42.7% | 63 |
| 282 | WA | Wide Voice | 837 | 21.1% | 14 |
| 283 | NE | Teliax | 821 | 33.7% | 72 |
| 284 | WU | Wake Up Inc | 806 | 62.0% | 237 |
| 285 | YB | Hi Tech Zone LLC | 798 | · | · |
| 286 | XM | RA Outdoors | 797 | 31.7% | 109 |
| 287 | OB | Infinite Conferencing | 772 | 18.0% | 92 |
| 288 | WE | WesTel | 746 | 19.2% | 59 |
| 289 | KG | Protection Plan Center LLC | 735 | · | · |
| 290 | DY | Bulletins | 723 | 66.2% | 18 |
| 291 | RJ | Ultramemorable LLC | 712 | · | · |
| 292 | HC | National ComTel | 709 | 36.9% | 200 |
| 293 | KV | VoiceSaver | 685 | 29.2% | 2 |
| 294 | TG | BCN TELECOM | 682 | 37.7% | 161 |
| 295 | JG | Double Eagle Communication | 682 | 19.2% | 22 |
| 296 | DH | Windstream-Fairport | 629 | 29.4% | 40 |
| 297 | KH | Unavo | 628 | 25.4% | 107 |
| 298 | FT | Fusion Networks | 555 | 39.5% | 66 |
| 299 | RA | Real Time Cloud Services | 547 | 5.0% | 104 |
| 300 | QR | Wiretap Telecom | 521 | 30.1% | 11 |
| 301 | MP | Mpower Communications | 516 | 19.7% | 77 |
| 302 | DX | PHONE.COm | 512 | 71.0% | 77 |
| 303 | FC | Full Service Network | 505 | 38.0% | 68 |
| 304 | EW | New Network | 472 | 44.8% | 237 |
| 305 | QL | Securus Tech | 472 | 30.5% | 162 |
| 306 | SM | Snapcom LLC | 460 | 34.7% | 8 |
| 307 | WM | Women's Community Outreach | 452 | 96.5% | 110 |
| 308 | GLOBALINX | 450 | 27.8% | 72 | |
| 309 | YR | WhiteSky | 446 | 36.0% | 75 |
| 310 | NY | COA Network | 437 | 14.1% | 75 |
| 311 | YX | Xtel | 431 | 45.7% | 237 |
| 312 | JX | Worldnet Telecom | 428 | 33.9% | 119 |
| 313 | IE | IT&E Overseas | 413 | 14.5% | 231 |
| 314 | ZT | Intervision | 385 | 28.9% | 156 |
| 315 | VF | Velocity | 382 | 11.5% | 238 |
| 316 | OV | VOLO | 380 | 24.7% | 74 |
| 317 | EH | Access Point | 375 | 18.6% | 205 |
| 318 | VC | VWGoA | 365 | 32.8% | 75 |
| 319 | NP | Bestline | 349 | 23.8% | 75 |
| 320 | IA | Identidad Advertising Development LLC | 323 | 12.4% | 4 |
| 321 | HQ | Bodition | 318 | 82.2% | 147 |
| 322 | UB | 46 Labs | 311 | 33.0% | 28 |
| 323 | VV | Videotron | 270 | 36.9% | 187 |
| 324 | JZ | Voip Dialing | 267 | 55.3% | 56 |
| 325 | FJ | First Digital | 260 | 28.1% | 71 |
| 326 | HW | Network Comm. Intl. Corp | 247 | 30.0% | 145 |
| 327 | AZ | Allstream | 235 | 27.3% | 238 |
| 328 | XF | TracFone Wireless | 234 | 30.9% | 29 |
| 329 | XI | FairPoint Communications | 214 | 36.1% | 204 |
| 330 | VP | VPT, Inc. | 213 | 24.6% | 4 |
| 331 | GJ | Bizwi | 211 | 93.6% | 1 |
| 332 | LW | LOOK LOOK | 210 | 78.5% | 42 |
| 333 | FR | Foremost Telecommunications | 206 | 26.7% | 152 |
| 334 | ZU | ZipDX | 204 | 40.5% | 128 |
| 335 | VU | Telvue Corp | 202 | 16.1% | 203 |
| 336 | EG | Evolve Cellular | 199 | 34.1% | 74 |
| 337 | ER | RingActive.com | 199 | 86.8% | 136 |
| 338 | AV | a la mode inc. | 194 | 11.4% | 100 |
| 339 | KK | C & C Management | 182 | 44.1% | 201 |
| 340 | IJ | Paymentech | 158 | 24.0% | 174 |
| 341 | ZA | Somos Training | 154 | 0.0% | 49 |
| 342 | AH | Dialoga Group LLC | 145 | 45.9% | 111 |
| 343 | QD | TollFreePhone.com | 144 | 7.6% | 1 |
| 344 | DK | ESS, LLC | 142 | 14.3% | 110 |
| 345 | BQ | Business Telecommunication Services | 140 | 11.3% | 228 |
| 346 | IO | Iowa Comm Network | 138 | · | · |
| 347 | WP | Teltrust Corp | 129 | 7.6% | 145 |
| 348 | UX | Allstream Business | 125 | 24.4% | 3 |
| 349 | MK | Micronesian Telecommunications | 121 | 41.7% | 242 |
| 350 | BZ | BCMONE | 119 | 40.0% | 188 |
| 351 | AF | Aeneas Communications, LLC | 110 | 36.8% | 134 |
| 352 | JK | Voice Titan | 110 | 3.1% | 105 |
| 353 | OP | Provincial Tel | 109 | 41.3% | 6 |
| 354 | RT | Point Telecom | 109 | 81.6% | 140 |
| 355 | OE | International Telecommunications Solutions | 102 | 27.9% | 219 |
| 356 | WQ | Teloquest/SinglePIPE | 101 | 22.6% | 107 |
| 357 | BN | First Communications | 93 | 21.8% | 101 |
| 358 | CS | SRS Pharmacy Systems, Inc. | 92 | 23.8% | 31 |
| 359 | QS | Questar InfoComm Inc | 83 | 26.0% | 21 |
| 360 | DN | Dish Network | 82 | 33.3% | 134 |
| 361 | KC | KT Communications | 81 | 41.2% | 83 |
| 362 | UY | Teligence | 78 | 29.2% | 238 |
| 363 | ED | LDDS Metromedia | 71 | 27.0% | 238 |
| 364 | CP | 33 Wireless, Inc. | 62 | 12.5% | 23 |
| 365 | GK | Grand Circle Travel | 61 | 32.7% | 60 |
| 366 | AQ | AcroVoice Solutions Inc. | 61 | 23.5% | 109 |
| 367 | UC | Capsule Communications | 57 | 41.5% | 237 |
| 368 | TR | TNB.NET, LLC | 56 | 96.6% | 11 |
| 369 | TT | TNT Tax Associates | 52 | 5.3% | 11 |
| 370 | XJ | Muir Capital | 50 | 86.4% | 152 |
| 371 | YE | DAC Systems | 34 | 36.4% | 54 |
| 372 | BY | Bright Pattern, Inc | 34 | 14.3% | 47 |
| 373 | NK | NetworkIP | 34 | 33.3% | 110 |
| 374 | CW | Community Health Network of CT | 28 | 0.0% | 17 |
| 375 | GU | Great Lakes Comnet, Inc | 27 | 37.5% | 157 |
| 376 | OX | Amecisco | 26 | 35.3% | 82 |
| 377 | KW | Grande Communications Networks | 26 | 0.0% | 145 |
| 378 | DS | Peeringhub | 25 | 9.1% | 30 |
| 379 | RD | RouteTrust | 23 | 50.0% | 7 |
| 380 | TY | Textricks, Inc | 22 | 0.0% | 18 |
| 381 | OK | Olatel Communications | 20 | 0.0% | 44 |
| 382 | EO | Coeo Solutions | 19 | 66.7% | 59 |
| 383 | RV | GoDaddy | 19 | 66.7% | 22 |
| 384 | DD | BSD Investments | 19 | 81.8% | 42 |
| 385 | UG | Union Pacific Railroad | 18 | 25.0% | 2 |
| 386 | UI | Transaction Network Services | 18 | 0.0% | 230 |
| 387 | AL | Lumen Technologies | 16 | · | · |
| 388 | DP | IVR Technology Group | 16 | 0.0% | 128 |
| 389 | QF | (not in directory) | 15 | · | · |
| 390 | MU | VoIP Much Phone Company | 15 | 100.0% | 43 |
| 391 | KU | Shepher Corp | 15 | 0.0% | 237 |
| 392 | BV | (not in directory) | 15 | · | · |
| 393 | CM | Acceris | 15 | · | · |
| 394 | NO | Avteo | 15 | 0.0% | 67 |
| 395 | FW | Flowroute | 15 | · | · |
| 396 | RC | Inrush Broadcast Services | 15 | 0.0% | 9 |
| 397 | LJ | PBX.com | 15 | 100.0% | 63 |
| 398 | SK | Shaw Business | 15 | 100.0% | 68 |
| 399 | OG | Clear Rate | 14 | · | · |
| 400 | AN | StarView Solutions | 14 | · | · |
| 401 | AE | Logix Communications | 14 | · | · |
| 402 | EZ | Independent Resporg | 14 | · | · |
| 403 | CV | West Corp | 14 | · | · |
| 404 | BM | (not in directory) | 14 | · | · |
| 405 | HI | Salesforce | 14 | · | · |
| 406 | NQ | InPhonex | 14 | · | · |
| 407 | NM | Number Management Group | 14 | · | · |
| 408 | RG | ATLC | 14 | · | · |
| 409 | UE | URI TELECOM INC | 14 | · | · |
| 410 | XT | Nextiva | 14 | · | · |
| 411 | LX | Phoenix Business | 14 | · | · |
| 412 | NI | Netrix, Inc. | 14 | · | · |
| 413 | TI | Primus Telecommunications | 14 | · | · |
| 414 | JO | 800 Ideas | 14 | · | · |
| 415 | XU | Zeus Telecom | 14 | · | · |
| 416 | DV | Direct2Market Digital Media Solutions | 14 | · | · |
| 417 | IL | IDS Long Distance | 14 | · | · |
| 418 | XL | Message Broadcast | 14 | · | · |
| 419 | FI | Freeway Insurance | 14 | · | · |
| 420 | PO | Independent Resporg | 14 | · | · |
| 421 | GH | Unipoint Services | 14 | · | · |
| 422 | GM | Globalcom | 14 | · | · |
| 423 | PQ | Intelliverse | 14 | · | · |
| 424 | IB | PBX-Change | 14 | · | · |
| 425 | GX | Grupo NGN | 14 | · | · |
| 426 | OZ | Amazon Web Services | 14 | · | · |
| 427 | LZ | LES.NET | 14 | · | · |
| 428 | ON | Oxford Networks | 14 | · | · |
| 429 | FH | 1800FORINFO | 14 | · | · |
| 430 | SU | R Squared Telecom | 14 | · | · |
| 431 | NC | NTS Communications | 14 | · | · |
| 432 | DQ | Telecon | 14 | · | · |
| 433 | CK | CoreTel | 14 | · | · |
| 434 | WI | Verizon Business | 14 | 30.0% | 140 |
| 435 | LV | Lumen Technologies | 14 | · | · |
| 436 | FG | Lumen Technologies | 14 | · | · |
| 437 | SX | LogMeIn Audio | 14 | · | · |
| 438 | PF | Talk America | 14 | · | · |
| 439 | EB | Edify Labs, Inc. | 14 | · | · |
| 440 | TO | Covista | 14 | · | · |
| 441 | HM | CVS Pharmacy, Inc. | 14 | · | · |
| 442 | IZ | Caller ID Reputation, Inc. | 14 | · | · |
| 443 | FN | Flynode Wireless, LLC | 14 | · | · |
| 444 | LU | iPlum Inc. | 14 | 0.0% | 90 |
| 445 | OW | Southern Company Services | 14 | · | · |
| 446 | WS | Acceris Solutions | 14 | · | · |
| 447 | FF | Evolve IP | 14 | · | · |
| 448 | YZ | Zipwhip | 14 | · | · |
| 449 | YQ | SouthernLINC Wireless | 14 | · | · |
| 450 | MW | Zoom | 14 | · | · |
| 451 | DJ | TNCI | 14 | · | · |
| 452 | JL | iProbe Multilingual Solutions | 14 | · | · |
| 453 | SY | Telesign Corporation | 14 | · | · |
| 454 | LT | Independent Resporg | 14 | · | · |
| 455 | LO | Windstream | 14 | · | · |
| 456 | UP | iconectiv | 14 | · | · |
| 457 | RF | ServiceTitan | 14 | · | · |
| 458 | QH | Netcarrier Telecom | 14 | · | · |
| 459 | OR | Arbeit | 14 | · | · |
| 460 | PM | W.E.P.S. Inc. | 14 | · | · |
| 461 | RK | Red Ventures | 14 | · | · |
| 462 | NG | SSI | 14 | · | · |
| 463 | DM | Instantia Network | 14 | · | · |
| 464 | EX | Business Telecommunications Services, Inc | 14 | · | · |
| 465 | TA | Automate My Resporg | 14 | · | · |
| 466 | SD | Lumen Technologies | 13 | · | · |
| 467 | UV | Intelepeer | 12 | · | · |
| 468 | SN | Southern New England Telephone | 12 | · | · |
| 469 | VH | Threshold Communications | 12 | · | · |
| 470 | JP | Callbox | 12 | · | · |
| 471 | JV | Distributel | 11 | · | · |
| 472 | CA | Wavecom Solutions | 11 | 33.3% | 237 |
| 473 | TN | Incontact | 11 | · | · |
| 474 | VD | Birch | 10 | · | · |
| 475 | ZN | Matrix Business Technologies | 7 | · | · |
| 476 | LD | Verizon Business | 7 | 0.0% | 206 |
| 477 | MC | MCI | 5 | 0.0% | 131 |
| 478 | EV | Lightwave/Integra Telecom | 5 | 0.0% | 168 |