| Telephone Prefix | Phone Type | City |
|---|---|---|
| 251-200 | Wireless | Boise |
| 251-201 | Landline | Columbus |
| 251-202 | Landline | Lynbrook |
| 251-206 | Landline | Waukegan |
| 251-208 | Landline | Fort Lauderdale |
| 251-209 | Wireless | Wichita Falls |
| 251-210 | Landline | Billings |
| 251-212 | Landline | Virginia Beach |
| 251-213 | Wireless | Exton |
| 251-214 | Landline | Saint Cloud |
| 251-215 | Wireless | Van Nuys |
| 251-216 | Landline | Montgomery |
| 251-217 | Landline | Des Plaines |
| 251-218 | Landline | Louisville |
| 251-219 | Landline | Saint Cloud |
| 251-221 | Landline | Phoenix |
| 251-222 | Wireless | Washington |
| 251-223 | Wireless | Toms River |
| 251-224 | Landline | Orlando |
| 251-225 | Wireless | Denver |
| 251-226 | Landline | Lowell |
| 251-227 | Wireless | Grand Rapids |
| 251-228 | Wireless | Modesto |
| 251-229 | Wireless | Virginia Beach |
| 251-230 | Wireless | Fresno |
| 251-231 | Landline | Springfield |
| 251-232 | Wireless | Huntington Beach |
| 251-233 | Wireless | Waukegan |
| 251-234 | Wireless | Reading |
| 251-235 | Wireless | Buffalo |
| 251-236 | Wireless | Lubbock |
| 251-237 | Landline | Erie |
| 251-238 | Wireless | Cleveland |
| 251-239 | Landline | Scranton |
| 251-240 | Landline | Ann Arbor |
| 251-241 | Landline | Colorado Springs |
| 251-242 | Wireless | Franklin |
| 251-243 | Landline | Jersey City |
| 251-244 | Wireless | Roanoke |
| 251-246 | Landline | Atlanta |
| 251-247 | Landline | Sacramento |
| 251-248 | Landline | Belleville |
| 251-249 | Landline | San Diego |
| 251-252 | Landline | Los Angeles |
| 251-253 | Wireless | Madison |
| 251-254 | Wireless | New Orleans |
| 251-255 | Wireless | Dayton |
| 251-256 | Landline | San Bernardino |
| 251-259 | Wireless | Jersey City |
| 251-260 | Landline | Vista |
| 251-262 | Landline | Santa Ana |
| 251-263 | Landline | Knoxville |
| 251-265 | Landline | Rockford |
| 251-267 | Landline | Virginia Beach |
| 251-268 | Landline | Atlanta |
| 251-269 | Wireless | Manchester |
| 251-270 | Landline | Hutchinson |
| 251-271 | Landline | Fargo |
| 251-272 | Landline | Honolulu |
| 251-273 | Landline | Spring Valley |
| 251-274 | Landline | Binghamton |
| 251-275 | Landline | Exton |
| 251-276 | Landline | San Jose |
| 251-279 | Landline | Las Vegas |
| 251-280 | Landline | Tucson |
| 251-281 | Wireless | Mc Camey |
| 251-284 | Wireless | Columbia |
| 251-285 | Landline | Philadelphia |
| 251-286 | Landline | Dallas |
| 251-287 | Landline | Sarasota |
| 251-288 | Landline | San Diego |
| 251-289 | Landline | Franklin |
| 251-290 | Wireless | Lynbrook |
| 251-294 | Landline | Tacoma |
| 251-295 | Wireless | Philadelphia |
| 251-296 | Landline | Los Angeles |
| 251-297 | Landline | Rochester |
| 251-298 | Wireless | Fort Worth |
| 251-299 | Landline | Kirkland |
| 251-300 | Landline | Charleston |
| 251-302 | Wireless | Dallas |
| 251-303 | Wireless | Secaucus |
| 251-304 | Landline | Long Beach |
| 251-307 | Landline | Herndon |
| 251-308 | Landline | Lynn |
| 251-314 | Landline | Long Beach |
| 251-316 | Landline | Richmond |
| 251-317 | Landline | Oklahoma City |
| 251-321 | Wireless | Grand Junction |
| 251-322 | Landline | Memphis |
| 251-324 | Landline | Lancaster |
| 251-327 | Wireless | Vista |
| 251-330 | Landline | Chattanooga |
| 251-331 | Wireless | Los Angeles |
| 251-333 | Landline | Dallas |
| 251-338 | Landline | Greensboro |
| 251-340 | Landline | Tulsa |
| 251-341 | Landline | Rockford |
| 251-342 | Landline | Ontario |
| 251-343 | Landline | Dallas |
| 251-344 | Landline | Reno |
| 251-345 | Landline | Grand Junction |
| 251-348 | Landline | Raleigh |
| 251-352 | Wireless | Madison |
| 251-357 | Landline | Green Bay |
| 251-359 | Wireless | Albany |
| 251-360 | Wireless | Greensburg |
| 251-362 | Wireless | Spokane |
| 251-363 | Wireless | San Diego |
| 251-366 | Wireless | Charlotte |
| 251-367 | Wireless | Anchorage |
| 251-368 | Landline | Albany |
| 251-369 | Landline | Worcester |
| 251-370 | Landline | Lakeland |
| 251-371 | Wireless | College Station |
| 251-375 | Landline | Racine |
| 251-377 | Wireless | Miami |
| 251-378 | Landline | Tucson |
| 251-379 | Wireless | Atlanta |
| 251-380 | Landline | Doylestown |
| 251-382 | Landline | Richmond |
| 251-387 | Wireless | Ann Arbor |
| 251-391 | Wireless | Laredo |
| 251-401 | Wireless | Little Rock |
| 251-402 | Wireless | Dallas |
| 251-404 | Wireless | Tampa |
| 251-405 | Landline | Huntington |
| 251-406 | Wireless | Phoenix |
| 251-408 | Landline | Chicago |
| 251-410 | Landline | Lubbock |
| 251-414 | Landline | Birmingham |
| 251-415 | Landline | Long Beach |
| 251-417 | Wireless | Tupelo |
| 251-418 | Landline | Rockford |
| 251-421 | Wireless | Santa Barbara |
| 251-422 | Wireless | Clarksville |
| 251-423 | Wireless | Greenville |
| 251-424 | Wireless | Otsego |
| 251-425 | Wireless | Gainesville |
| 251-428 | Wireless | Tulsa |
| 251-431 | Landline | Naperville |
| 251-432 | Landline | Syracuse |
| 251-433 | Landline | Beaumont |
| 251-434 | Landline | Oakland |
| 251-435 | Landline | San Antonio |
| 251-436 | Landline | Alexandria |
| 251-438 | Landline | Asheville |
| 251-439 | Landline | Lexington |
| 251-441 | Landline | Oak Park |
| 251-442 | Landline | Ogden |
| 251-443 | Landline | Portland |
| 251-444 | Landline | Rochester |
| 251-445 | Landline | Tucson |
| 251-446 | Landline | Dallas |
| 251-447 | Landline | Belleville |
| 251-450 | Landline | San Mateo |
| 251-452 | Landline | Milwaukee |
| 251-454 | Wireless | Los Angeles |
| 251-455 | Wireless | Modesto |
| 251-456 | Landline | Richmond |
| 251-457 | Landline | Scranton |
| 251-458 | Wireless | Vero Beach |
| 251-459 | Landline | Modesto |
| 251-460 | Landline | Raleigh |
| 251-461 | Landline | Cleveland |
| 251-463 | Wireless | Yuma |
| 251-470 | Landline | Boston |
| 251-471 | Landline | Scranton |
| 251-472 | Landline | Los Angeles |
| 251-473 | Landline | Dayton |
| 251-476 | Landline | Chattanooga |
| 251-478 | Landline | Houston |
| 251-479 | Landline | Chico |
| 251-487 | Wireless | Bergen |
| 251-490 | Wireless | El Toro |
| 251-491 | Landline | Peoria |
| 251-494 | Landline | Columbia |
| 251-500 | Landline | Beaumont |
| 251-504 | Wireless | Laredo |
| 251-508 | Landline | Colorado Springs |
| 251-509 | Landline | Dayton |
| 251-510 | Wireless | Grand Junction |
| 251-513 | Wireless | Evansville |
| 251-517 | Landline | Yuma |
| 251-518 | Wireless | Memphis |
| 251-525 | Wireless | Bakersfield |
| 251-533 | Wireless | San Jose |
| 251-538 | Wireless | Royal Oak |
| 251-540 | Landline | Gary |
| 251-542 | Landline | Lancaster |
| 251-543 | Landline | Denver |
| 251-544 | Landline | Los Angeles |
| 251-545 | Landline | Cheyenne |
| 251-550 | Wireless | Waukegan |
| 251-554 | Wireless | Belleville |
| 251-564 | Landline | Moorestown |
| 251-568 | Wireless | Vancouver |
| 251-574 | Landline | Saginaw |
| 251-575 | Landline | Virginia Beach |
| 251-578 | Landline | London |
| 251-580 | Landline | Walnut Creek |
| 251-581 | Wireless | Laredo |
| 251-582 | Wireless | Green Bay |
| 251-583 | Wireless | Lowell |
| 251-586 | Landline | Mesa |
| 251-589 | Wireless | Jersey City |
| 251-591 | Wireless | El Paso |
| 251-593 | Landline | San Bernardino |
| 251-597 | Wireless | Chicago |
| 251-599 | Wireless | Cleveland |
| 251-600 | Landline | Ada |
| 251-602 | Landline | Los Angeles |
| 251-604 | Wireless | Chicago |
| 251-605 | Wireless | Tippecanoe |
| 251-607 | Landline | Asheville |
| 251-609 | Wireless | San Bernardino |
| 251-610 | Wireless | Las Vegas |
| 251-617 | Wireless | Anchorage |
| 251-621 | Landline | Cincinnati |
| 251-622 | Landline | Portland |
| 251-623 | Wireless | Kansas City |
| 251-625 | Landline | San Francisco |
| 251-626 | Landline | Los Angeles |
| 251-631 | Landline | Binghamton |
| 251-633 | Landline | Grand Island |
| 251-634 | Landline | Champaign |
| 251-635 | Landline | Eugene |
| 251-638 | Wireless | Houston |
| 251-639 | Landline | Billings |
| 251-643 | Landline | Hutchinson |
| 251-644 | Landline | Marquette |
| 251-645 | Landline | Santa Rosa |
| 251-647 | Landline | San Francisco |
| 251-648 | Wireless | Ogden |
| 251-649 | Landline | Las Vegas |
| 251-650 | Landline | Laredo |
| 251-652 | Landline | Greenville |
| 251-653 | Landline | Madison |
| 251-654 | Landline | Chico |
| 251-655 | Wireless | Evansville |
| 251-656 | Wireless | New Orleans |
| 251-660 | Landline | Chattanooga |
| 251-661 | Landline | Oakland |
| 251-662 | Landline | Fort Worth |
| 251-664 | Landline | Reading |
| 251-665 | Landline | Pittsburgh |
| 251-666 | Landline | Duluth |
| 251-675 | Landline | Reading |
| 251-676 | Wireless | Evansville |
| 251-677 | Landline | Saginaw |
| 251-679 | Landline | Bakersfield |
| 251-680 | Wireless | Yonkers |
| 251-689 | Wireless | Belleville |
| 251-690 | Landline | Albany |
| 251-694 | Landline | Racine |
| 251-697 | Landline | Ada |
| 251-698 | Wireless | Duluth |
| 251-706 | Landline | Muncie |
| 251-709 | Wireless | Lansing |
| 251-716 | Wireless | Doylestown |
| 251-721 | Wireless | Tupelo |
| 251-725 | Landline | Honolulu |
| 251-727 | Landline | Erie |
| 251-732 | Landline | Lynbrook |
| 251-743 | Landline | Fayetteville |
| 251-744 | Wireless | Eugene |
| 251-746 | Landline | Raleigh |
| 251-747 | Wireless | Buffalo |
| 251-751 | Wireless | Ada |
| 251-752 | Wireless | Grand Junction |
| 251-753 | Wireless | Tupelo |
| 251-754 | Landline | Lexington |
| 251-765 | Landline | Newark |
| 251-767 | Wireless | Wichita |
| 251-769 | Wireless | Chicago |
| 251-770 | Landline | Champaign |
| 251-771 | Landline | Zanesville |
| 251-774 | Wireless | Bakersfield |
| 251-776 | Landline | Conroe |
| 251-777 | Landline | Memphis |
| 251-786 | Wireless | Boise |
| 251-789 | Landline | Atlanta |
| 251-800 | Landline | Asheville |
| 251-802 | Wireless | Raleigh |
| 251-809 | Landline | Walnut Creek |
| 251-824 | Landline | Van Nuys |
| 251-827 | Landline | Huntington |
| 251-829 | Landline | Muncie |
| 251-843 | Landline | Roseville |
| 251-846 | Landline | Cincinnati |
| 251-847 | Landline | Denver |
| 251-861 | Landline | Oak Park |
| 251-862 | Landline | Milwaukee |
| 251-865 | Landline | Oakland |
| 251-866 | Landline | Buffalo |
| 251-867 | Landline | Detroit |
| 251-868 | Landline | Dallas |
| 251-888 | Landline | Hutchinson |
| 251-895 | Wireless | San Mateo |
| 251-923 | Landline | Chattanooga |
| 251-928 | Landline | Abilen |
| 251-929 | Landline | Spring Valley |
| 251-937 | Landline | Sioux City |
| 251-942 | Landline | Greensburg |
| 251-943 | Landline | Mobile |
| 251-944 | Landline | Grand Junction |
| 251-945 | Landline | Sedalia |
| 251-946 | Landline | Orlando |
| 251-947 | Landline | Tacoma |
| 251-948 | Landline | Portland |
| 251-949 | Landline | San Mateo |
| 251-952 | Landline | Albuquerque |
| 251-955 | Landline | Lakeland |
| 251-960 | Landline | Erie |
| 251-961 | Landline | Tippecanoe |
| 251-962 | Landline | Portland |
| 251-964 | Landline | Seattle |
| 251-965 | Landline | Atlantic City |
| 251-966 | Landline | Scranton |
| 251-967 | Landline | Lansing |
| 251-968 | Landline | West Palm Beach |
| 251-970 | Landline | Jacksonville |
| 251-971 | Landline | Green Bay |
| 251-972 | Landline | San Diego |
| 251-974 | Landline | Saint Petersburg |
| 251-975 | Landline | Exton |
| 251-978 | Landline | Rochester |
| 251-979 | Landline | Lowell |
| 251-980 | Landline | Melrose |
| 251-981 | Landline | Macon |
| 251-986 | Landline | Charleston |
| 251-987 | Landline | Laredo |
| 251-988 | Landline | Charlotte |
| 251-989 | Landline | Seattle |
| 251-990 | Landline | Melbourne |
| 251-999 | Landline | Greensburg |