
USA
| Birmingham, 205 | Alexandria, 320 | ||
| Huntsville, 205 | Alton, 618 | Duluth, 218 | Allentown, 610 |
| Mobile, 334 | Aurora, 603 | Minneapolis, 612 | Altoona, 814 |
| Montgomery, 334 | Belleville, 618 | Rochester, 507 | Bradford, 814 |
| Bloomington, 309 | St. Cloud, 320 | Easton, 610 | |
| Cairo, 618 | St. Paul, 612 | Erie, 814 | |
| Flagstaff, 520 | Champaign-Urbana, 217 | Harrisburg, 717 | |
| Phoenix, 602 | Chicago - Metro Area, 773, 630 | Missouri | Indiana, 412 |
| Scotsdale, 602 | Chicago, 312 | Columbia, 573 | Lancaster, 717 |
| Tucson, 520 | Chicago Northern Suburbs, 847 | Columbia, 314 | Lebanon, 717 |
| Winslow, 520 | Chicago suburbs, 708 | Independence, 816 | Norristown, 610 |
| Yuma, 520 | East St. Louis, 618 | Jefferson, 314 | Philadelphia, 215 |
| Evanston, 708 | Jefferson City, 573 | Philadelphia suburbs, 610 | |
| Joliet, 815 | Joplin, 417 | Pittsburgh, 412 | |
| Anaheim, 714 | Lansing, 708 | Kansas City, 816 | Pottstown, 610 |
| Bakersfield, 805 | La Salle, 815 | St. Joseph, 816 | Reading, 610 |
| Barstow, 619 | Naperville, 630 | St. Louis, 314 | Rochester, 412 |
| Berkeley, 510 | Oak Brook, 630 | Springfield, 417 | Scranton, 717 |
| Eureka, 707 | Peoria, 309 | Shron, 412 | |
| Fresno, 209 | Rockford, 815 | Nebraska | Stroudsburg, 717 |
| Long Beach, 562 | Rock Island, 309 | Grand Island, 308 | Warren, 814 |
| Los Angeles, 310 &, 213 | Springfield, 217 | Lincoln, 402 | Washington, 412 |
| Surburban, 626 | St. Charles, 630 | North Platte, 308 | Wilkes-Barre, 717 |
| Metro Area, 562 | Waukegan, 847 | Omaha, 402 | |
| Modesto, 209 | Scottsbluff, 308 | ||
| Monterey , 408 | Bloomington, 812 | ||
| Northeastern CA, 530 | Elkhart, 219 | New Brunswick, 506 | Charleston, 803 |
| Oakland , 510 | Evansville, 812 | New Hampshire, 603 | Columbia, 803 |
| Orange County, Southern, 949 | Gary, 219 | Florence, 803 | |
| Orange, 714 | Hammond, 219 | Atlantic City, 609 | Greenville, 864 |
| Palm Springs, 619 | Indianapolis, 317 | Camden, 609 | |
| Pasadena, 818 (626 effective, 1/1/98) | Kokomo, 317 | Cape May, 609 | St. Kitts and Nevis, 869 |
| Riverside , 909 | South Bend, 219 | Elizabeth, 908 | St. Lucia, 758 |
| Sacramento, 916 | Freehold, 908 | Tennessee | |
| San Bernardino, 909 | Cedar Rapids, 319 | Hackensack, 201 | Chattanooga, 423 |
| San Diego, 619 | Council Bluffs, 712 | Jersey City, 201 | Knoxville, 423 |
| San Francisco, 415, 650 | Davenport, 319 | Morristown, 204 | Memphis, 901 |
| San Jose, 408 | Des Moines, 515 | Newark, 201 | Nashville, 615 |
| Santa Barbara, 805 | Dubuque, 319 | New Brunswick, 908 | |
| Santa Rosa, 707 | Sioux City, 712 | Paterson, 201 | Abilene, 915 |
| Southern CA, 760 | Toms River, 908 | Amarillo, 806 | |
| Walnut Creek, 925 | Dodge City, 316 | Trenton, 609 | Austin, 512 |
| Hutchinson, 316 | Vineland, 609 | Beaumont, 409 | |
| Aspen, 970 | Lawrence, 913 | Woodbury, 609 | Corpus Christi, 512 |
| Boulder, 303 | Salina, 913 | Dallas, 214 | |
| Breckenridge, 970 | Topeka, 913 | Dallas suburbs, 972 | |
| Colorado Springs, 719 | Wichita, 316 | Albany, 518 | El Paso, 915 |
| Denver, 303 | Binghamtom, 607 | Fort Worth, 817 | |
| Fort Collins, 970 | Ashland, 606 | Buffalo, 716 | Galveston, 409 |
| Grand Junction, 970 | Bowling Green, 502 | Cortland, 607 | Houston, 281 |
| Pueblo, 719 | Lexington, 606 | Elmira, 607 | Houston, 713 |
| Vail, 970 | Louisville, 502 | Hempstead, 516 | Irving, 972 |
| Owensboro, 502 | Hudson, 518 | Laredo, 210 | |
| Bridgeport, 203 | Paducah, 502 | Ithaca, 607 | Lubbock, 806 |
| Danbury, 203 | Winchester, 606 | Lockport, 716 | San Antonio, 210 |
| Fairfield, 203 | Long Island, 516 | Texarkana , 903 | |
| Hartford, 860 | Baton Rouge, 504 | Monroe, 914 | Tyler, 903 |
| Litchfield, 860 | Lake Charles, 318 | Mount Vernon, 914 | Waco, 254 |
| Middlesex, 860 | Monroe, 318 | New York City | |
| New Haven, 203 | New Orleans, 504 | Bronx, 718 | |
| New London, 860 | Shreveport, 318 | Brooklyn, 718 | |
| Stamford, 203 | cellular, 917 | ||
| Tolland, 860 | Manhattan, 212/646 | Alexandria, 703 | |
| Torrington, 860 | Annapolis, 410 | Queens, 718 | Arlington, 703 |
| Waterbury, 203 | Baltimore, 410 | City Island, 718 | Charlottesville, 804 |
| Windham, 860 | Bel Air, 410 | Niagara Falls, 716 | Newport News, 757 |
| Cumberland, 301 | Peekskill, 914 | Norfolk, 757 | |
| Frederick, 301 | Poughkeepsie, 914 | Richmond, 804 | |
| Belle Glade, 561 | Hagerstown, 301 | Rochester, 716 | Roanoke, 540 |
| Boca Raton, 561 | La Plata, 301 | Schenectady, 518 | |
| Clearwater, 813 | Laurel, 301 | Syracuse, 315 | Bellevue, 425 |
| Daytona Beach, 904 | Ocean City, 410 | Troy, 518 | Bellingham, 360 |
| Fort Lauderdale, 954 | Rockville, 301 | Utica, 315 | Everett, 425 |
| Ft. Myers , 941 | Salisbury, 410 | White Plains, 914 | Kent, 253 |
| Fort Pierce, 561 | Towson, 410 | Yonkers, 914 | Olympia, 360 |
| Gainesville, 352 | Redmond, 425 (Microsoft) | ||
| Hollywood, 954 | Boston, 617 | Asheville, 704 | Renton, 425 (Boeing) |
| Jacksonville, 904 | Brockton, 508 | Charlotte, 704 | Seattle, 206 |
| Key West , 305 | Cambridge, 617 | Fayetteville, 919 | Spokane, 509 |
| Kissimmee, 407 | Framingham, 508 | Greensboro, 910 | Tacoma, 253 |
| Miami, 305 | Lawrence, 508 | Raleigh, 919 | Vancouver, 360 |
| Naples , 941 | Lowell, 508 | Winston-Salem, 910 | Walla Walla, 509 |
| Orlando , 407 | New Bedford, 508 | Yakima, 509 | |
| Pensacola, 904 | Northampton, 413 | ||
| Pompano Beach, 954 | Pittsfield, 413 | (area north of but not including) Cincinnati, 937 | |
| Sarasota, 941 | Quincy, 617 | Akron, 330 | |
| Sanford, 407 | Springfield, 413 | Canton, 330 | Beloit, 608 |
| Sebastian, 561 | Waltham, 617 | Cincinnati, 513 | Eau Claire, 745 |
| St. Petersburg , 813 | Winchester, 617 | Cleveland, 216 | Green Bay, 414 |
| Tallahassee, 904 | Worcester, 508 | Columbus, 614 | La Crosse, 608 |
| Tampa, 813 | Dayton, 513 | Madison, 608 | |
| Vero Beach, 561 | Ann Arbor, 313 | Eastern Ohio, 330 | Milwaukee, 414 |
| West Palm Beach, 561 | Battle Creek, 616 | Mansfield, 419 | Racine, 414 |
| Bay City, 517 | Springfield, 513 | Wausau, 715 | |
| Acworth, 770 | Detroit, 313 | Steubenville, 614 | |
| Albany, 912 | Flint, 810 | Toledo, 419 | |
| Atlanta, 404 | Grand Rapids , 616 | Youngstown, 216 Oklahoma | |
| Atlanta Metro Area, 678 | Jackson, 517 | Enid, 405 | |
| Atlanta suburbs, 770 | Kalamazoo, 616 | Lawton, 405 | |
| Augusta, 706 | Lansing, 517 | Muskogee, 918 | |
| Chamblee, 770 | Marquette, 906 | Oklahoma City, 405 | |
| Columbus, 706 | Muskegon, 616 | Tulsa, 918 | |
| Macon, 912 | Northern Detroit suburbs, 810 | ||
| Marietta, 770 | Pontiac, 810 | Portland, 503 | |
| Rome, 706 | Saginaw, 517 | Salem, 503 | |
| Savannah, 912 | Sault Ste. Marie, 906 | South and East Oregon, 541 | |