Overlay Area Codes by State/Province
State Old Overlay code(s) Usage notes
🇺🇸 United States 🇺🇸
AL 205 205 & 659 Birmingham, Tuscaloosa, central Alabama
256 256 & 938 Huntsville, northern Alabama
(334) 334 (& 483) Montgomery, southeastern Alabama
AR 870 870 & 327 most of the state, Jonesboro, Pine Bluff; not Little Rock, Fayetteville, Ft. Smith; effective Note: in 2027, Arkansas is planning a “boundary elimination” overlay, erasing the boundaries between 501, 479, and 870 & 327, creating a single statewide overlay; details t.b.a.
AZ 602480623 602 & 480 & 623 Phoenix metro area; the 602/480/623 split was erased, creating the 602 & 480 & 623 overlay, effective
CACACA 209 209 & 350 Stockton, Modesto
213323 213 & 323 & 738 Downtown Los Angeles; existing area codes 213 and 323 merged into an overlay; 738 was added on
310 310 & 424 Malibu to San Pedro (Los Angeles area)
408 408 & 669 San Jose, “Silicon Valley”
415 415 & 628 San Francisco, Marin County
510 510 & 341 Oakland, Fremont, Richmond
530 530 & 837 Redding, Lake Tahoe
559 559 & 357 Fresno
619858 619 & 858 San Diego & La Jolla; existing area codes 619 and 858 merged into an overlay
707 707 & 369 Santa Rosa, Napa, north coast
714 714 & 657 Anaheim, northern Orange County
760 760 & 442 Escondido/north San Diego County, Palm Springs, Death Valley
805 805 & 820 Santa Barbara, Ventura, San Luis Obispo
818 818 & 747 San Fernando Valley (Los Angeles area)
909 909 & 840 San Bernardino, Ontario
916 916 & 279 Sacramento
CO 303 303 & 720 & 983 Denver
(970) 970 (& 748) Grand Junction, northern and western
CT 203 203 & 475 Stamford, New Haven, NYC suburbs, southwestern corner
860 860 & 959 Hartford, most of the state
DC 202 202 & 771 Washington, D.C.
FL 305 305 & 786 & 645 Miami/Dade County and the Florida Keys
407 407 & 321@ & 689 Orlando area; “Space Coast” is 321 only; (689 was added as an overlay on the 407 & 321 [Orlando] area — but not on the 321-only area [Space Coast] — effective )
561 561 & 728 Palm Beach County
813 813 & 656 Tampa
850 850 & 448 Florida Panhandle, Tallahassee, Pensacola
904 904 & 324 Jacksonville; (retained 7D local calls until just before the overlay)
954 954 & 754 Fort Lauderdale
GA 404 … & 678✻ & 470✻ & 943✻ Atlanta; 678, 470, and 943 all overlay 404 (central Atlanta) and 770 (suburbs)
770
706 706 & 762 northern GA: Columbus, Athens, Rome
(912) 912 (& 565) coastal GA: Savannah, overlay expected in late 2027, exact date t.b.d.
ID 208 208 & 986 entire state of Idaho
IL 217 217 & 447 Champaign, Springfield
309 309 & 861 Bloomington, Peoria, Quad Cities
312773 312 & 872✻773 & 872✻ Chicago (entire city), 872 overlays both 312 (downtown) and 773 (elsewhere) areas
618 618 & 730 East St. Louis, southern Illinois
630 630 & 331 Aurora, some Chicago suburbs
708 708 & 464 La Grange, some suburbs south or west of Chicago
815 815 & 779 Rockford, Joliet
847 847 & 224 north suburbs of Chicago
IN 317 317 & 463 Indianapolis and suburbs; note: 463 spells IND
812 812 & 930 Evansville, southern third of the state
KY 270 270 & 364 western tip, Bowling Green, Hopkinsville
(LA) (318) 318 (& 457) Shreveport, Alexandria;
MA 508 508 & 774 SE Mass., Cape Cod
617 617 & 857 Boston
781 781 & 339 Boston suburbs
978 978 & 351 NE Mass.
MD 301 301 & 240 & 227 Washington suburbs, southern/western Md.
410 410 & 443 & 667 Baltimore, northern/eastern Md.
MI 248 248 & 947 Oakland County (Detroit suburbs)
(313) 313 (& 679) Detroit, effective ; 313 retains 7-digit local calls until the overlay
(734) 734 (& 679) suburbs south and west of Detroit; the 313 & 679 overlay [] will later expand to cover 734, exact date t.b.d.; 734 retains 7-digit local calls until the overlay
MN 507 507 & 924 Rochester, Mankato, southern
MO 314 314 & 557 St. Louis
573 573 & 235 Columbia, Jefferson City, Cape Girardeau
816 816 & 975 Kansas City
MS 601 601 & 769 Jackson, Hattiesburg, central
(662) 662 (& 471) Greenville, Tupelo, northern; effective
NC 336 336 & 743 Greensboro, High Point, Winston-Salem
704 704 & 980 Charlotte
910 910 & 472 Fayetteville, Wilmington
919 919 & 984 Raleigh, Durham
NE 402 402 & 531 Omaha, Lincoln, eastern and north central Nebraska
NJ 201 201 & 551 Jersey City, northeast
609 609 & 640 Trenton, Atlantic City
732 732 & 848 New Brunswick, Jersey shore
973 973 & 862 Newark, northwest
NV 702 702 & 725 Las Vegas
NY 212718 212 & 646 & 332 New York City: 917✻ overlays 212 & 646 & 332 (Manhattan) and 718 & 347 & 929 (& 465 • ) (Bronx, Brooklyn, Queens, Staten I.)
718 & 347 & 929 (& 465)
& 917✻
315 315 & 680 Syracuse, Utica
516 516 & 363 Nassau County (Long Island)
518 518 & 838 Albany, northeastern
631 631 & 934 Suffolk County (eastern half of Long Island)
716 716 & 624 Buffalo, western tip
845 845 & 329 Poughkeepsie, West Point, suburbs north of NYC (except Westchester County);
OH 330 330 & 234 Akron, Canton, Youngstown
419 419 & 567 Toledo
440 440 & 436 Ashtabula, Lorain
513 513 & 283 Cincinnati; 283 overlay originally planned for 2001, finally happened
614 614 & 380 Columbus
740 740 & 220 Marion, Zanesville, southeastern
937 937 & 326 Dayton
OK 405 405 & 572 Oklahoma City
918 918 & 539 Tulsa
OR 503 503 & 971 Portland, Salem, Tillamook, Astoria, concentrated overlay
541 541 & 458 Eugene, Corvallis, Bend, Medford; the rest of Oregon
PA 215 215 & 267 & 445 Philadelphia
610 610 & 484 & 835 Philadelphia suburbs
412 412 & 878✻ Pittsburgh area; 878 overlays both 412 and 724 areas
724 724 & 878✻
570 570 & 272 Scranton, Wilkes-Barre
717 717 & 223 Harrisburg
814 814 & 582 Erie, Altoona
PR 787 787 & 939 Puerto Rico
SC 803 803 & 839 Columbia, central SC
843 843 & 854 Charleston, coastal areas
864 864 & 821 Greenville, northwestern
TN (423) 423 (& 729) Chattanooga, Bristol, effective
615 615 & 629 Nashville
TX 210 210 & 726 San Antonio; (726 spells SAN)
214 214 & 972 & 469 & 945 Dallas
512 512 & 737 Austin
713 713 & 281 & 832 & 346 & 621 Houston
817 817 & 682 Fort Worth
903 903 & 430 Tyler, Texarkana, northeast
UT 801 801 & 385 Salt Lake City, Ogden, Provo
VA 540 540 & 826 Roanoke, outer Washington suburbs
703 703 & 571 Washington, D.C., suburbs
757 757 & 948 Norfolk, Portsmouth, Virginia Beach
804 804 & 686 Richmond, Petersburg
WA 206360 206 & 360 & 564✻ Western Washington State, including Bellingham, Olympia, Vancouver, and now Seattle; excluding Seattle suburbs
(253)(425) ... (& 564✻) Seattle suburbs; 564 overlay expanded to include 206 on and will later expand to include 425 and 253 as those area codes run out of available numbers
WI 608 608 & 353 Madison, southwestern
715 715 & 534 Eau Claire, northern/northwestern
920 920 & 274 Green Bay, northeastern, eff. 2012 2014 2024 finally happened
WV 304 304 & 681 entire state
🇨🇦 Canada 🇨🇦
AB 403780 & 587✻ & 825✻ & 368✻ entire province: 587, 825 and 368 overlay both 403 (Calgary, south) and 780 (Edmonton, north)
BC 604250 & 778✻ & 236✻ & 672✻ & 257✻ entire province: 778, 236, 672, and 257 now overlay all of both 604 (Vancouver) and 250 (not Vancouver) areas
MB 204 204 & 431 & 584 entire province
NB 506 506 & 428 New Brunswick (entire province) • Nouveau-Brunswick (l’ensemble de la province)
NL 709 709 & 879 Newfoundland & Labrador (entire province)
NSPE 902 902 & 782 Nova Scotia & Prince Edward Island (both provinces)
ON 416 416 & 647 & 437 & 942 city of Toronto
519 519 & 226 & 548 & 382 London, Windsor, southwestern Ontario
613 613 & 343 & 753 Ottawa, eastern Ontario
705 705 & 249 & 683 Sudbury, Sault Ste. Marie, north central
905 905 & 289 & 365 & 742 Toronto suburbs, Niagara Falls
QC 418 418 & 581 & 367 (& 273 ?) Québec city, Gaspé; (additional overlay code to be added circa 2027 • recouvrement supplémentaire s’ajoutera circa 2027)
450 450 & 579 & 354 Laval, Longueuil, suburbs of Montréal
514 514 & 438 & 263 Montréal
819 819 & 873 & 468 Sherbrooke, Gatineau-Hull, Trois-Rivières, Kuujjuaq
SK 306 306 & 639 & 474 entire province
• The only geographic area codes in Canada that do not have overlays planned are 807 (northwest Ontario) and 867 (Yukon, NWT, and Nunavut) • Les seuls indicatifs canadiens qui ne prévoient pas de recouvrement sont le 807 (le nord-ouest de l‘Ontario) et le 867 (le Yukon, les TNO, et le Nunavut)
Elsewhere
DO 809 809 & 829 & 849 🇩🇴 Dominican Republic
JM 876 876 & 658 🇯🇲 Jamaica