| Telephone Prefix | Phone Type | City |
|---|---|---|
| 623-201 | Landline | Baton Rouge |
| 623-202 | Wireless | Saginaw |
| 623-203 | Wireless | Bakersfield |
| 623-204 | Wireless | Davy |
| 623-205 | Wireless | Dallas |
| 623-206 | Wireless | Long Beach |
| 623-207 | Landline | Oakland |
| 623-208 | Wireless | Abilen |
| 623-209 | Landline | Quincy |
| 623-210 | Wireless | Fayetteville |
| 623-212 | Wireless | Manchester |
| 623-214 | Landline | Los Angeles |
| 623-215 | Landline | San Diego |
| 623-216 | Landline | Oakland |
| 623-217 | Wireless | Burlington |
| 623-218 | Landline | Reno |
| 623-219 | Landline | Washington |
| 623-221 | Wireless | Roseville |
| 623-222 | Landline | Akron |
| 623-223 | Wireless | Augusta |
| 623-224 | Wireless | Tupelo |
| 623-225 | Wireless | Toledo |
| 623-227 | Landline | Augusta |
| 623-228 | Landline | Washington |
| 623-229 | Wireless | Greensboro |
| 623-234 | Landline | Lancaster |
| 623-236 | Wireless | Royal Oak |
| 623-237 | Wireless | Corpus Christi |
| 623-238 | Wireless | Walnut Creek |
| 623-239 | Wireless | Dayton |
| 623-240 | Landline | Evansville |
| 623-241 | Wireless | Mc Camey |
| 623-242 | Landline | Jersey City |
| 623-243 | Wireless | Roanoke |
| 623-245 | Landline | Moorestown |
| 623-247 | Landline | Waukegan |
| 623-249 | Wireless | Beaumont |
| 623-251 | Wireless | Mobile |
| 623-252 | Landline | Clarksville |
| 623-255 | Wireless | Providence |
| 623-256 | Landline | Orlando |
| 623-258 | Wireless | Macon |
| 623-261 | Wireless | Virginia Beach |
| 623-262 | Wireless | Binghamton |
| 623-266 | Landline | Lafayette |
| 623-271 | Wireless | Saint Cloud |
| 623-277 | Wireless | San Diego |
| 623-282 | Landline | Kansas City |
| 623-285 | Landline | Otsego |
| 623-293 | Landline | New Orleans |
| 623-295 | Landline | Houston |
| 623-296 | Landline | Lancaster |
| 623-297 | Wireless | Reading |
| 623-298 | Landline | Atlantic City |
| 623-299 | Landline | Lakeland |
| 623-300 | Landline | Plainfield |
| 623-302 | Wireless | Akron |
| 623-308 | Landline | Alexandria |
| 623-312 | Landline | Huntington |
| 623-313 | Wireless | Philadelphia |
| 623-321 | Landline | Gainesville |
| 623-322 | Landline | Walnut Creek |
| 623-326 | Wireless | Anchorage |
| 623-327 | Landline | Dallas |
| 623-328 | Landline | Charleston |
| 623-329 | Wireless | Dallas |
| 623-330 | Wireless | Corpus Christi |
| 623-332 | Wireless | Los Angeles |
| 623-333 | Landline | Wichita |
| 623-334 | Landline | Houston |
| 623-335 | Landline | Gaithersburg |
| 623-336 | Wireless | Burlington |
| 623-337 | Landline | Memphis |
| 623-340 | Wireless | Omaha |
| 623-341 | Wireless | Boise |
| 623-344 | Landline | Nashville |
| 623-349 | Landline | Abilen |
| 623-362 | Landline | Yuma |
| 623-363 | Wireless | Austin |
| 623-374 | Landline | Reno |
| 623-376 | Landline | Flint |
| 623-377 | Wireless | Greensboro |
| 623-383 | Wireless | Detroit |
| 623-385 | Landline | Atlantic City |
| 623-386 | Landline | Eau Claire |
| 623-387 | Wireless | Marquette |
| 623-388 | Landline | Columbus |
| 623-393 | Landline | Marquette |
| 623-396 | Wireless | Modesto |
| 623-398 | Landline | Erie |
| 623-399 | Landline | Exton |
| 623-412 | Landline | Kansas City |
| 623-414 | Landline | Gainesville |
| 623-418 | Wireless | El Paso |
| 623-419 | Wireless | Austin |
| 623-428 | Landline | Toms River |
| 623-432 | Wireless | Chico |
| 623-433 | Wireless | Orlando |
| 623-434 | Landline | Lynn |
| 623-435 | Landline | Manchester |
| 623-444 | Landline | Tallahassee |
| 623-445 | Landline | Topeka |
| 623-451 | Wireless | Sioux Falls |
| 623-455 | Landline | Newark |
| 623-463 | Landline | Nashville |
| 623-465 | Landline | Charleston |
| 623-466 | Landline | Doylestown |
| 623-474 | Landline | Orlando |
| 623-476 | Landline | Sacramento |
| 623-478 | Landline | Albany |
| 623-486 | Landline | Ozark |
| 623-487 | Landline | Virginia Beach |
| 623-492 | Landline | Los Angeles |
| 623-498 | Wireless | Newark |
| 623-499 | Landline | Jacksonville |
| 623-500 | Landline | Columbus |
| 623-505 | Landline | Waco |
| 623-512 | Landline | Toledo |
| 623-516 | Landline | Anchorage |
| 623-518 | Landline | Vancouver |
| 623-521 | Wireless | Toledo |
| 623-522 | Landline | Huntsville |
| 623-523 | Landline | Jacksonville |
| 623-524 | Landline | Huntsville |
| 623-533 | Wireless | Phoenix |
| 623-535 | Landline | Rochester |
| 623-536 | Landline | West Palm Beach |
| 623-537 | Landline | Denver |
| 623-544 | Landline | Albany |
| 623-546 | Landline | Washington |
| 623-547 | Landline | Muncie |
| 623-551 | Landline | Lexington |
| 623-552 | Wireless | Augusta |
| 623-556 | Landline | Modesto |
| 623-561 | Landline | Scranton |
| 623-565 | Landline | Philadelphia |
| 623-566 | Landline | Royal Oak |
| 623-570 | Wireless | Modesto |
| 623-572 | Landline | Champaign |
| 623-580 | Landline | Charleston |
| 623-581 | Landline | Compton |
| 623-582 | Landline | Las Vegas |
| 623-583 | Landline | Oak Park |
| 623-584 | Landline | Dayton |
| 623-587 | Landline | Kirkland |
| 623-594 | Landline | Tyler |
| 623-606 | Landline | Vero Beach |
| 623-628 | Wireless | Atlantic City |
| 623-633 | Landline | Modesto |
| 623-640 | Wireless | Gary |
| 623-643 | Landline | Fargo |
| 623-666 | Landline | Bakersfield |
| 623-670 | Wireless | Knoxville |
| 623-680 | Wireless | Boston |
| 623-687 | Landline | Chicago |
| 623-688 | Wireless | Peoria |
| 623-691 | Landline | Cheyenne |
| 623-692 | Wireless | Eau Claire |
| 623-693 | Wireless | Denver |
| 623-694 | Wireless | Milwaukee |
| 623-695 | Wireless | Phoenix |
| 623-696 | Wireless | Chicago |
| 623-698 | Wireless | Des Moines |
| 623-703 | Wireless | Tyler |
| 623-707 | Landline | Hartford |
| 623-715 | Landline | New Braunfels |
| 623-734 | Landline | Moorestown |
| 623-738 | Landline | Columbus |
| 623-742 | Landline | Vista |
| 623-745 | Landline | West Palm Beach |
| 623-748 | Landline | Laredo |
| 623-755 | Wireless | Cheyenne |
| 623-759 | Landline | Compton |
| 623-760 | Landline | Billings |
| 623-764 | Wireless | Spring Valley |
| 623-772 | Landline | Herndon |
| 623-773 | Landline | Billings |
| 623-776 | Landline | Los Angeles |
| 623-777 | Landline | Compton |
| 623-780 | Landline | Grand Junction |
| 623-792 | Landline | Lowell |
| 623-800 | Landline | Charlotte |
| 623-806 | Landline | Spring Valley |
| 623-810 | Wireless | Tyler |
| 623-815 | Landline | Colorado Springs |
| 623-824 | Landline | Waukegan |
| 623-825 | Landline | Toledo |
| 623-826 | Wireless | Rockford |
| 623-832 | Landline | New Orleans |
| 623-842 | Landline | San Francisco |
| 623-845 | Landline | Atlanta |
| 623-846 | Landline | Tucson |
| 623-847 | Landline | Santa Ana |
| 623-848 | Landline | Fort Worth |
| 623-849 | Landline | Sacramento |
| 623-850 | Landline | New Braunfels |
| 623-853 | Landline | Albuquerque |
| 623-856 | Landline | Scranton |
| 623-866 | Landline | Santa Rosa |
| 623-869 | Landline | San Jose |
| 623-872 | Landline | Mobile |
| 623-873 | Landline | Reno |
| 623-875 | Landline | Vista |
| 623-876 | Landline | Grand Island |
| 623-877 | Landline | Rochester |
| 623-878 | Landline | Reno |
| 623-879 | Landline | Springfield |
| 623-880 | Wireless | Las Vegas |
| 623-882 | Landline | Philadelphia |
| 623-888 | Landline | Lynbrook |
| 623-889 | Landline | Muncie |
| 623-900 | Landline | Santa Barbara |
| 623-907 | Landline | Dayton |
| 623-910 | Wireless | Pikesville |
| 623-915 | Landline | Muskegon |
| 623-925 | Landline | Dallas |
| 623-930 | Landline | Toledo |
| 623-931 | Landline | Denver |
| 623-932 | Landline | Gaithersburg |
| 623-933 | Landline | Atlanta |
| 623-934 | Landline | Oklahoma City |
| 623-935 | Landline | Las Vegas |
| 623-936 | Landline | Huntington |
| 623-937 | Landline | Omaha |
| 623-939 | Landline | San Diego |
| 623-972 | Landline | Birmingham |
| 623-974 | Landline | Greenville |
| 623-975 | Landline | Duluth |
| 623-977 | Landline | Cleveland |
| 623-979 | Landline | Denver |
| 623-980 | Wireless | Billings |
| 623-986 | Wireless | Fort Lauderdale |
| 623-999 | Landline | Lexington |