011:::the International Access Code
201:::Hackensack, Morristown and Newark, New Jersey
202:::Washington, District of Columbia
203:::Bridgeport, New Haven and Stamford, Connecticut
204:::all regions, Manitoba, CANADA
205:::Birmingham and Huntsville, Alabama
206:::Seattle and Tacoma, Washington
207:::all regions, Maine
208:::all regions, Idaho
209:::Fresno and Stockton, California
210:::San Antonio, Texas
212:::New York City (Manhattan only), New York
213:::Los Angeles, California
214:::Dallas, Texas
215:::Philadelphia and Quakertown, Pennsylvania
216:::Cleveland, Ohio
217:::Springfield and central Illinois
218:::Duluth, Minnesota
219:::Gary, Hammond, Michigan City and South Bend, Indiana
242:::as of 10-1996, Bahamas
250:::as of 10-1996, outside of Vancouver area, British Columbia, CANADA   
281:::an overlay on 713 area, Texas
301:::Silver Spring and Frederick, Maryland
302:::all regions, Delaware
303:::Denver, Colorado
304:::all regions, West Virginia
305:::Key West and Miami, Florida
306:::all regions, Saskatchewan, CANADA
307:::all regions, Wyoming
308:::North Platte and Scottsbluff, Nebraska
309:::Bloomington, Normal and Peoria, Illinois
310:::Beverly Hills, California
312:::Chicago, Illinois (as of 10-1996, just downtown Chicago)
313:::Detroit and Ann Arbor, Michigan
314:::Saint Louis, Missouri
315:::Syracuse and Utica, New York
316:::Coffeyville, Dodge City and Wichita, Kansas
317:::Indianapolis and Kokomo, Indiana
318:::Lake Charles and Shreveport, Louisiana
319:::Dubuque, Iowa
320:::as of 3-1996, St. Cloud, Minnesota
330:::as of 3-1996, Akron, Massillon and Youngstown, Ohio
334:::Mobile and Montgomery, Alabama
352:::Gainesville and Ocala, Florida
360:::Bellingham, Olympia and Vancouver, Washington
401:::all regions, Rhode Island
402:::Lincoln and Omaha, Nebraska
403:::Alberta, Yukon Territory and (Western) Northwest Territories, CANADA
404:::Atlanta, Georgia
405:::Oklahoma City, Oklahoma
406:::all regions, Montana
407:::Orlando, Florida
408:::San Jose and Sunnyvale, California
409:::Galveston, Texas
410:::Baltimore and Annapolis, Maryland
411:::the code used for local Directory Assistance in many areas
412:::Pittsburgh, Indiana and Rochester, Pennsylvania
413:::Springfield, Massachusetts
414:::Green Bay, Milwaukee and Racine, Wisconsin
415:::San Francisco, California
416:::Toronto, Ontario, CANADA
417:::Joplin and Springfield, Missouri
418:::Quebec, Quebec, CANADA
419:::Toledo, Ohio
423:::Chattanooga, Knoxville and Kingsport, Tennessee
441:::Bermuda
456:::used for premium-rate calling (only used outside of +1)
500:::used for Personal Number Service/AT&T, other carriers
501:::all regions, Arkansas
502:::Louisville, Paducah and Shelbyville, Kentucky
503:::Portland, Oregon
504:::Baton Rouge and New Orleans, Louisiana
505:::all regions, New Mexico
506:::all regions, New Brunswick, CANADA
507:::Albert Lea and Rochester, Minnesota
508:::Framingham and New Bedford, Massachusetts
509:::Pullman, Spokane and Walla Walla, Washington
510:::Oakland, California
512:::Austin and Corpus Christi, Texas
513:::Cincinnati and Dayton, Ohio
514:::Montreal, CANADA
515:::Des Moines and Mason City, Iowa
516:::Hempstead, New York
517:::Lansing and Saginaw, Michigan
518:::Albany, Greenwich and Schenectady, New York
519:::London, Ontario, CANADA
520:::Flagstaff and Tucson, Arizona
540:::Fredericksburg, Roanoke and Winchester, Virginia
541:::Eugene, Oregon
561:::to be used at a future time for West Palm Beach, Florida
562:::as of 2-1997, Long Beach, California
573:::Cape Girardeau and Jefferson City, Missouri
601:::all regions, Mississippi
602:::Phoenix, Arizona
603:::all regions, New Hampshire
604:::Vancouver, British Columbia, CANADA
605:::all regions, South Dakota
606:::Ashland and Winchester, Kentucky
607:::Elmira, Ithaca and Stamford, New York
608:::Beloit and Madison, Wisconsin
609:::Atlantic City, Camden and Trenton, New Jersey
610:::Allentown, Reading and Chester, Pennsylvania
611:::the code used for telephone repair service in many areas
612:::Minneapolis and Saint Paul, Minnesota
613:::Ottawa, Ontario, CANADA
614:::Columbus, Marietta and Newark, Ohio
615:::Nashville, Tennessee
616:::Battle Creek, Cadillac and Grand Rapids, Michigan
617:::Boston, Massachusetts
618:::Alton, Mount Vernon and Centralia, Illinois
619:::San Diego, California
626:::as of 1997(?), an overlay or split of 818 in California
630:::as of 8-1996, Aurora, Oak Park (west suburbs of Chicago), Illinois
700:::used for Value Added Special Services, per individual carrier
701:::all regions, North Dakota
702:::all regions, Nevada
703:::Arlington and Manassas, Virginia
704:::Charlotte and Salisbury, North Carolina
705:::Central Ontario, Canada
706:::Augusta, Columbus and Rome, Georgia
707:::Eureka, Napa and Santa Rosa, California
708:::as of 8-1996, Calumet City, Harvey (south suburbs of Chicago), Illinois
709:::all regions, Newfoundland and Labrador, CANADA
710:::Federal Government Special Services
712:::Council Bluffs, Iowa
713:::Houston, Texas
714:::Orange and Anaheim, California
715:::Eau Claire and Wausau, Wisconsin
716:::Buffalo, Niagara Falls and Rochester, New York
717:::Harrisburg, Scranton and Wilkes-Barre, Pennsylvania
718:::New York City (Bronx, Brooklyn, Queens, Staten Island), New York
719:::Colorado Springs, Colorado
760:::as of 3-1997, Palm Springs and the Imperial Valley, California
770:::Marietta, Georgia
773:::as of 10-1996, Chicago, Illinois (except downtown area is 312)
800:::used for In-WATS Toll Free Calling
801:::all regions, Utah
802:::all regions, Vermont
803:::Charleston, Columbia and Florence, South Carolina
804:::Charlottesville, Norfolk and Richmond, Virginia
805:::Bakersfield, Ventura and Simi Valley, California
806:::Amarillo, Texas
807:::Northwestern Ontario, Canada
808:::all regions, Hawaii
809:::Puerto Rico, the Virgin Islands, etc.
810:::Flint and Pontiac, Michigan
812:::Evansville, Indiana
813:::Clearwater, St. Petersburg and Tampa, Florida
814:::Altoona, Erie and Punxsutawney, Pennsylvania
815:::La Salle, Joliet and Rockford, Illinois
816:::Kansas City and Saint Joseph, Missouri
817:::Fort Worth, Temple and Waco, Texas
818:::the suburban area north of Los Angeles, California
819:::Hull and Sherbrooke, (Western) Quebec and (Eastern) NW Territories, CANADA
847:::Evanston, Glenview, Skokie, Waukegan, (north suburbs of Chicago), Illinois
860:::Hartford, Connecticut
864:::Greenville and Spartanburg, South Carolina
900:::used for Mass Calling Value Added Information Services
901:::Memphis, Tennessee
902:::all regions, Prince Edward Island and Nova Scotia, CANADA
903:::Tyler and Texarkana, Texas
904:::Jacksonville and Pensacola, Florida
905:::Southern Ontario, Canada (excluding Toronto)
906:::Sault Ste. Marie, Michigan
907:::all regions, Alaska
908:::Elizabeth and New Brunswick, New Jersey
909:::Riverside and San Bernardino, California
910:::Winston-Salem, Greensboro and Fayetteville, North Carolina
911:::the code used for Police/Fire emergencies in most areas
912:::Waycross and Savannah, Georgia
913:::Ottawa and Topeka, Kansas
914:::Monroe, Mount Vernon and Poughkeepsie, New York
915:::El Paso, Texas
916:::Sacramento and South Tahoe, California
917:::New York City (cellular/pager only overlaid on 212/718), New York
918:::Muskogee and Tulsa, Oklahoma
919:::Greenville, Raleigh and Williamston, North Carolina
941:::Avon Park, Fort Myers and Winter Haven, Florida
954:::Fort Lauderdale, Florida
970:::Fort Collins, Grand Junction and Vail, Colorado
972:::an overlay on 214 area, Texas