The First One Hundred Stations in the United States
(using data from Thomas White's research into the DOC files)
| # | License Date | DOC # | Original Calls | Location | Owner | Current Calls | Deleted |
| 1 | 10/27/20 | 197 | KDKA | Pittsburgh, PA | Westinghouse Electric & Mfg Co | KDKA -1020 | |
| 2 | 5/--/21 | WJZ | New York, NY | Westinghouse Electric & Mfg Co | WABC - 770 | ||
| 3 | 9/15/21 | WBZ | Boston, MA | Westinghouse Electric & Mfg Co | WBZ - 1030 | ||
| 4 | 09/19/21 | 225 | WDY | Roselle Park, NJ | Radio Corporation of America | 2/20/23 | |
| 5 | 09/29/21 | 232 | WCJ | New Haven, CT | A. C. Gilbert Company | 12/1/22 | |
| 6 | 10/13/21 | 236 | WJX | New York, NY | De Forest Radio Telephone & Telegr | 6/ /24 | |
| 7 | 10/13/21 | 238 | KQL | Los Angeles, CA | Arno A. Kluge | 6/9/22 | |
| 8 | 10/13/21 | 239 | WBL | Detroit, MI | Detroit News | WWJ-950 | |
| 9 | 11/09/21 | 241 | KYW | KYW Chicago | Westinghouse Electric & Mfg Co | KYW-1060 | |
| 10 | 12/07/21 | 245 | KWG | Stockton, CA | Portable Wireless Telephone Company | ||
| 11 | 12/08/21 | 243 | WJH | Washington, DC | White & Boyer Company | 3/26/24 | |
| 12 | 12/08/21 | 244 | KFC | Seattle, WA | Northern Radio & Electric Company | 1/23/23 | |
| 13 | 12/08/21 | 246 | KDN | San Francisco, CA | Leo J. Meyberg Company | 5/1/23 | |
| 14 | 12/08/21 | 248 | KGC | Hollywood, CA | Electric Lighting Supply Company | KNX-1070 | |
| 15 | 12/08/21 | 259 | KGB | San Francisco, CA | Edwin L. Lorden | 3/23/22 | |
| 16 | 12/09/21 | 250 | KVQ | Sacramento, CA | J. C. Hobrecht | 1/2/23 | |
| 17 | 12/09/21 | 251 | KZM | Oakland, CA | Preston D. Allen | 6/23/31 | |
| 18 | 12/09/21 | 252 | KZC | Los Angeles, CA | Western Radio Electric Company | 3/9/23 | |
| 19 | 12/09/21 | 253 | KZY | Oakland, CA | Atlantic-Pacific Radio Supplies | 1/4/23 | |
| 20 | 12/09/21 | 254 | KYJ | Los Angeles, CA | Leo J. Meyberg Company | 5/1/23 | |
| 21 | 12/09/21 | 255 | KQW | San Jose, CA | Charles D. Herrold | KCBS-740 | |
| 22 | 12/20/21 | 256 | KYY | San Francisco, CA | The Radio Telephone Shop | 1/24/23 | |
| 23 | 12/20/21 | 257 | KJJ | Sunnyvale, CA | The Radio Shop | 6/16/23 | |
| 24 | 12/20/21 | 258 | KJQ | Stockton, CA | C. O. Gould | 4/ /25? | |
| 25 | 12/22/21 | 260 | WDT | New York, NY | Ship Owners Radio Service | 12/28/23 | |
| 26 | 12/22/21 | 261 | WDM | Washington, DC | Church of the Covenant | 6/08/25 | |
| 27 | 12/22/21 | 262 | WDW | Washington, DC | DC Radio Construction & Electric Co | 5/ /22 | |
| 28 | 12/29/21 | 264 | WOU | Omaha, NE | R. B. Howell | 6/23/23 | |
| 29 | 12/30/21 | 263 | WMH | Cincinnati, OH | Precision Equipment Company | 12/11/23 | |
| 30 | 1/04/22 | 267 | KLB | Pasadena, CA | J. J. Dunn & Company | 4/25/23 | |
| 31 | 1/04/22 | 268 | KLP | Los Altos, CA | Colin B. Kennedy Company | 3/09/23 | |
| 32 | 1/09/22 | KQV | Pittsburgh, PA | Doubleday-Hill Electric Company | KQV-1410 | transfer | |
| 33 | 1/10/22 | 272 | WPB | Pittsburgh, PA | Newspaper Printing Company | 5/05/22 | |
| 34 | 1/13/22 | 275 | WLB | Minneapolis, MN | University of Minnesota | KUOM-770 | |
| 35 | 1/13/22 | 276 | WHA | Madison, WI | University of Wisconsin | WHA-970 | |
| 36 | 1/18/22 | 277 | WNO | Jersey City, NJ | Wireless Telephone-Hudson County NJ | 3/--/23 (?) | |
| 37 | 1/26/22 | 271 | WDZ | Toledo, OH | Marshall-Gerken Company | 1/02/23 | |
| 38 | 1/26/22 | 281 | WLK | Indianapolis, IN | Hamilton Manufacturing Company | 6/01/23 | |
| 39 | 2/03/22 | 284 | WGH | Montgomery, AL | Montgomery Light & Water Power Co | 6/05/22 | |
| 40 | 2/04/22 | 285 | WGY | Schenectady, NY | General Electric Company | WGY-810 | |
| 41 | 2/07/22 | 289 | WGI | Medford Hillside, MA | American Radio & Research Corp | 4/--/27 (?) | |
| 42 | 2/08/22 | 287 | WGL | Philadelphia, PA | Thomas F. J. Howlett | 12/31/24 | |
| 43 | 2/08/22 | 288 | KGF | Pomona, CA | Pomona Fixture & Wiring Company | 12/06/22 | |
| 44 | 2/13/22 | 291 | KUO | San Francisco, CA | Examiner Printing Company | 1/21/26 | |
| 45 | 2/16/22 | 292 | WOK | Pine Bluff, AR | Pine Bluff Company | 6/--/24 | |
| 46 | 2/16/22 | 293 | WOZ | Richmond, IN | Palladium Printing Company | 4/09/23 | |
| 47 | 2/17/22 | 294 | WOQ | Kansas City, MO | Western Radio Company | 6/14/34 | |
| 48 | 2/18/22 | 296 | WOC | Rock Island, IL | Karlowa Radio Company | WOC-1420 | |
| 49 | 2/20/22 | 297 | WOR | Newark, NJ | L. Bamberger & Company | WOR-710 | |
| 50 | 2/20/22 | 298 | WOH | Indianapolis, IN | Hatfield Electric Company | 2/14/23 | |
| 51 | 2/21/22 | 219 | WBU | Chicago, IL | City of Chicago | 11/07/23 | |
| 52 | 2/21/22 | 300 | WHK | Cleveland, OH | Warren R. Cox | WHK-1420 | |
| 53 | 2/23/22 | 302 | WOS | Jefferson City, MO | Missouri State Marketing Bureau | 3/27/36 | |
| 54 | 2/24/22 | 303 | WFO | Dayton, OH | Rike-Kumler Company | 11/28/22 | |
| 55 | 2/24/22 | 304 | WHQ | Rochester, NY | Rochester Times Union | 10/02/22 | |
| 56 | 2/24/22 | 305 | WHW | East Lansing, MI | Stuart Seeley (US Weather Bureau) | 1/16/23 | |
| 57 | 2/24/22 | 306 | WRK | Hamilton, OH | Doron Brothers Electric Company | 9/29/30 | |
| 58 | 2/28/22 | 307 | KHQ | Seattle, WA | Louis Wasmer | KAQQ-590 | |
| 59 | 2/28/22 | 308 | KFU | Gridley, CA | The Precision Shop | 7/22/22 | |
| 60 | 2/28/22 | 309 | WHU | Toledo, OH | William B. Duck Company | 10/27/22 | |
| 61 | 2/28/22 | 311 | WJK | Toledo, OH | Service Radio Equipment Company | 2/01/23 | |
| 62 | 3/02/22 | 312 | WLW | Cincinnati, OH | Crosley Manufacturing Company | WLW-700 | |
| 63 | 3/02/22 | 313 | WRL | Schenectady, NY | Union College | 2/--/25 | |
| 64 | 3/09/22 | KJR | Seattle, WA | Vincent I. Kraft | KJR-950 | ||
| 65 | 3/10/22 | KLS | Oakland, CA | Warner Brothers | KDIA-1310 | ||
| 66 | 3/10/22 | 315 | KJKS | Los Angeles, CA | Bible Institute of Los Angeles | KWKW-1330 | |
| 67 | 3/10/22 | 316 | KLZ | Denver, CO | Reynolds Radio Company | KLZ-560 | |
| 68 | 3/11/22 | 318 | KSL | San Francisco, CA | The Emporium | 6/16/23 | |
| 69 | 3/11/22 | 319 | WBS | Newark, NJ | D. W. May | 7/18/62 | |
| 70 | 3/11/22 | 320 | KRE | Berkeley, CA | Maxwell Electric Company | KVTO-1400 | |
| 71 | 3/13/22 | 213 | WRR | Dallas, TX | City of Dallas | KTCK-1310 | transfer |
| 72 | 3/14/22 | 325 | WPM | Washington, DC | Thomas J. Williams | 5/10/23 | |
| 73 | 3/14/22 | 326 | WRW | Tarrytown, NY | Tarrytown Radio Research Lab | 7/31/26 | |
| 74 | 3/14/22 | 328 | WIK | McKeesport, PA | K & L Electric Company | 3/09/25 | |
| 75 | 3/14/22 | 329 | WIL | Washington, DC | Continental Electrical Supply | 9/13/24 | |
| 76 | 3/14/22 | 330 | KSD | Saint Louis, MO | Post Dispatch | KTRS-550 | |
| 77 | 3/14/22 | 331 | WGR | Buffalo, NY | Federal Telephone & Telegraph | WGR-550 | |
| 78 | 3/14/22 | 332 | KGU | Honolulu, HI | Marion A. Mulrony | KGU-760 | |
| 79 | 3/14/22 | 596 | WGF | Des Moines, IA | The Register & Tribune | 9/29/23 | |
| 80 | 3/15/22 | 324 | KGO | Altadena, CA | Altadena Radio Laboratory | 8/21/23 | |
| 81 | 3/15/22 | 327 | KGG | Portland, OR | Hallock & Watson Radio Service | 11/25/24 | |
| 82 | 3/15/22 | 630 | WSB | Atlanta, GA | Atlanta Journal | WSB-750 | |
| 83 | 3/16/22 | 333 | WHD | Morgantown, WV | West Virginia University | 11/19/23 | |
| 84 | 3/16/22 | 334 | WSL | Utica, NY | J & M Electric Company | 4/29/25 | |
| 85 | 3/16/22 | 335 | KDPT | San Diego, CA | Southern Electrical Company | 3/19/25 | |
| 86 | 3/16/22 | 336 | WPA | Fort Worth, TX | Fort Worth Record | 5/24/23 | |
| 87 | 3/16/22 | 337 | WKY | Oklahoma City, OK | Oklahoma Radio Shop | WKY-930 | |
| 88 | 3/17/22 | WGM | Atlanta, GA | Atlanta Constitution | 8/28/23 | ||
| 89 | 3/18/22 | 338 | WHN | Ridgewood, NY | Ridgewood Times Printing & Publish | WEVD-1050 | |
| 90 | 3/18/22 | 339 | KHJ | Los Angeles, CA | C. R. Kierulff & Company | KHJ-930 | |
| 91 | 3/18/22 | 340 | KOP | Detroit, MI | Detroit Police Department | 11/28/25 | |
| 92 | 3/18/22 | 341 | WBT | Charlotte, NC | Southern Radio Corporation | WBT-1110 | |
| 93 | 3/18/22 | 342 | WOO | Philadelphia, PA | John Wanamaker | 2/20/29 | |
| 94 | 3/18/22 | 345 | WFI | Philadelphia, PA | Strawbridge & Clothier | WFIL-560 | |
| 95 | 3/20/22 | 343 | KOA | Denver, CO | Young Men's Christian Association | 6/23/23 | |
| 96 | 3/20/22 | 344 | WIP | Philadelphia, PA | Gimbel Brothers | WIP-610 | |
| 97 | 3/21/22 | 348 | WRP | Camden, NJ | Federal Inst of Radio Telegraphy | 8/20/23 | |
| 98 | 3/21/22 | 349 | WCN | Worcester, MA | Clark University | 6/25/23 | |
| 99 | 3/21/22 | 350 | WJT | Erie, PA | Electric Equipment Company | 10/21/22 | |
| 100 | 3/21/22 | 351 | WSX | Erie, PA | Erie Radio Company | 1/26/23 |
The information and dates used were adapted from Thomas White's research.
*Since license grants were made merely upon request in the early days, some of the stations listed may never have actually gotten on the air at all.
Was KDKA first? Perhaps. Please, read on...
US Pioneer Broadcast Service Stations