| Area Code | NXX | EXCHANGE |
|---|---|---|
| 740 | 226 | Beaver |
| 740 | 226 | Beaver |
| 740 | 245 | Rio Grande |
| 740 | 246 | Thornville |
| 740 | 247 | Letart Falls |
| 740 | 247 | Letart Falls |
| 740 | 254 | Gnadenhutten |
| 740 | 256 | Guyan |
| 740 | 259 | Portsmouth |
| 740 | 264 | Steubenville |
| 740 | 266 | Steubenville |
| 740 | 269 | Bowerston |
| 740 | 269 | Bowerston |
| 740 | 276 | Killbuck |
| 740 | 282 | Steubenville |
| 740 | 283 | Steubenville |
| 740 | 284 | Steubenville |
| 740 | 286 | Jackson |
| 740 | 289 | Piketon |
| 740 | 321 | Granville |
| 740 | 322 | Newark |
| 740 | 323 | Newark |
| 740 | 327 | Cooperdale |
| 740 | 327 | Cooperdale |
| 740 | 328 | Newark |
| 740 | 332 | Laurelville |
| 740 | 332 | Laurelville |
| 740 | 333 | Washington Court House |
| 740 | 335 | Washington Court House |
| 740 | 342 | New Lexington |
| 740 | 344 | Newark |
| 740 | 345 | Newark |
| 740 | 347 | Corning |
| 740 | 348 | Newark |
| 740 | 349 | Milford Center |
| 740 | 349 | Newark |
| 740 | 353 | Portsmouth |
| 740 | 354 | Portsmouth |
| 740 | 355 | Portsmouth |
| 740 | 356 | Portsmouth |
| 740 | 362 | Delaware |
| 740 | 363 | Delaware |
| 740 | 364 | Newark |
| 740 | 366 | Newark |
| 740 | 367 | Cheshire |
| 740 | 368 | Delaware |
| 740 | 369 | Delaware |
| 740 | 372 | Portsmouth |
| 740 | 373 | Marietta |
| 740 | 374 | Marietta |
| 740 | 375 | Marion |
| 740 | 376 | Marietta |
| 740 | 377 | Ironton |
| 740 | 378 | Coolville |
| 740 | 379 | Walnut |
| 740 | 380 | Logan |
| 740 | 382 | Marion |
| 740 | 383 | Marion |
| 740 | 384 | Wellston |
| 740 | 385 | Logan |
| 740 | 386 | Marion |
| 740 | 386 | Marion |
| 740 | 387 | Marion |
| 740 | 388 | Vinton |
| 740 | 389 | Marion |
| 740 | 389 | Marion |
| 740 | 392 | Mount Vernon |
| 740 | 393 | Mount Vernon |
| 740 | 394 | Shawnee |
| 740 | 397 | Mount Vernon |
| 740 | 399 | Mount Vernon |
| 740 | 420 | Circleville |
| 740 | 423 | Belpre |
| 740 | 425 | Barnesville |
| 740 | 426 | Jeffersonville |
| 740 | 427 | Gambier |
| 740 | 432 | Cambridge |
| 740 | 435 | Cambridge |
| 740 | 437 | Bloomingburg |
| 740 | 439 | Cambridge |
| 740 | 441 | Gallipolis |
| 740 | 446 | Gallipolis |
| 740 | 448 | Amesville |
| 740 | 450 | Zanesville |
| 740 | 452 | Zanesville |
| 740 | 453 | Zanesville |
| 740 | 454 | Zanesville |
| 740 | 455 | Zanesville |
| 740 | 456 | Portsmouth |
| 740 | 458 | Clarington |
| 740 | 462 | South Charleston |
| 740 | 465 | Morral |
| 740 | 467 | Millersport |
| 740 | 468 | Pleasantville |
| 740 | 472 | Woodsfield |
| 740 | 473 | Newport |
| 740 | 474 | Circleville |
| 740 | 477 | Circleville |
| 740 | 482 | Nevada |
| 740 | 483 | Duffy |
| 740 | 484 | Bethesda |
| 740 | 489 | Old Washington |
| 740 | 493 | Idaho |
| 740 | 494 | Prospect |
| 740 | 495 | New Holland |
| 740 | 496 | Harpster |
| 740 | 498 | Newcomerstown |
| 740 | 499 | La Rue |
| 740 | 522 | Newark |
| 740 | 524 | Kilbourne |
| 740 | 528 | Green Camp |
| 740 | 532 | Ironton |
| 740 | 533 | Ironton |
| 740 | 534 | Ironton |
| 740 | 535 | Mingo Junction |
| 740 | 536 | Rushville |
| 740 | 537 | Toronto |
| 740 | 543 | Amsterdam |
| 740 | 544 | Knoxville |
| 740 | 545 | West Lafayette |
| 740 | 546 | Adena |
| 740 | 548 | Cheshire Center |
| 740 | 551 | Bartlett |
| 740 | 554 | Chesterhill |
| 740 | 557 | Pennsville |
| 740 | 558 | Reinersville-Hackney |
| 740 | 559 | Stockport |
| 740 | 562 | Bucyrus |
| 740 | 563 | Bucyrus |
| 740 | 567 | Lewisville |
| 740 | 568 | South Vienna |
| 740 | 569 | Bremen |
| 740 | 574 | Portsmouth |
| 740 | 584 | Sabina |
| 740 | 585 | Lower Salem |
| 740 | 586 | Zanesville |
| 740 | 587 | Granville |
| 740 | 589 | Athens |
| 740 | 592 | Athens |
| 740 | 593 | Athens |
| 740 | 594 | Athens |
| 740 | 595 | Radnor |
| 740 | 596 | McArthur |
| 740 | 596 | McArthur |
| 740 | 597 | Athens |
| 740 | 598 | Brilliant |
| 740 | 599 | Danville [KNO] |
| 740 | 622 | Coshocton |
| 740 | 623 | Coshocton |
| 740 | 625 | Centerburg |
| 740 | 626 | Bourneville |
| 740 | 632 | Steubenville |
| 740 | 633 | Martins Ferry-Bridgeport |
| 740 | 634 | Bainbridge [ROS] |
| 740 | 635 | Martins Ferry-Bridgeport |
| 740 | 636 | Washington Court House |
| 740 | 638 | Cumberland |
| 740 | 642 | Kingston |
| 740 | 643 | Arabia |
| 740 | 653 | Lancaster |
| 740 | 654 | Lancaster |
| 740 | 655 | Hallsville |
| 740 | 658 | Freeport |
| 740 | 659 | Glenford |
| 740 | 659 | Glenford |
| 740 | 659 | Thornville |
| 740 | 662 | Guysville |
| 740 | 663 | Massieville |
| 740 | 664 | New Marshfield |
| 740 | 666 | Ostrander |
| 740 | 666 | Ostrander |
| 740 | 667 | Coolville |
| 740 | 668 | Martinsburg |
| 740 | 669 | Wilkesville |
| 740 | 671 | Bellaire |
| 740 | 674 | Philo |
| 740 | 676 | Bellaire |
| 740 | 678 | Barlow |
| 740 | 679 | Quaker City |
| 740 | 681 | Lancaster |
| 740 | 682 | Oak Hill |
| 740 | 685 | Byesville |
| 740 | 686 | Centerville [BEL] |
| 740 | 687 | Lancaster |
| 740 | 689 | Lancaster |
| 740 | 694 | Fredericktown |
| 740 | 695 | St. Clairsville |
| 740 | 696 | Athens |
| 740 | 696 | Shade |
| 740 | 697 | Roseville |
| 740 | 698 | Albany |
| 740 | 699 | St. Clairsville |
| 740 | 726 | Waldo |
| 740 | 732 | Caldwell |
| 740 | 733 | Smithfield |
| 740 | 739 | Harlem Springs |
| 740 | 742 | Pomeroy |
| 740 | 743 | Somerset |
| 740 | 745 | St. Louisville |
| 740 | 746 | Sugar Grove |
| 740 | 747 | Ashley |
| 740 | 749 | Barlow |
| 740 | 749 | Watertown |
| 740 | 753 | Nelsonville |
| 740 | 754 | Dresden |
| 740 | 756 | Carroll |
| 740 | 757 | Barnesville |
| 740 | 757 | Somerton |
| 740 | 757 | Somerton |
| 740 | 758 | Fairview |
| 740 | 762 | Murray City |
| 740 | 762 | Murray City |
| 740 | 762 | Shawnee |
| 740 | 763 | Marne |
| 740 | 765 | Richmond |
| 740 | 767 | Glouster |
| 740 | 768 | Bergholz |
| 740 | 769 | Dillonvale-Mt. Pleasant |
| 740 | 772 | Chillicothe |
| 740 | 773 | Chillicothe |
| 740 | 774 | Chillicothe |
| 740 | 775 | Chillicothe |
| 740 | 776 | Portsmouth |
| 740 | 778 | Portsmouth |
| 740 | 782 | Morristown |
| 740 | 783 | Dexter City |
| 740 | 787 | Gratiot |
| 740 | 788 | Newark |
| 740 | 795 | Powhatan Point |
| 740 | 796 | Adamsville |
| 740 | 797 | The Plains |
| 740 | 820 | Minford-Stockdale |
| 740 | 824 | Warsaw |
| 740 | 826 | New Concord |
| 740 | 828 | Frazeysburg |
| 740 | 829 | Conesville |
| 740 | 838 | Summerfield |
| 740 | 843 | Portland |
| 740 | 845 | Caledonia |
| 740 | 849 | Fultonham |
| 740 | 852 | London |
| 740 | 857 | Resaca |
| 740 | 858 | Portsmouth |
| 740 | 859 | Tiltonsville |
| 740 | 862 | Baltimore |
| 740 | 865 | New Matamoras |
| 740 | 867 | Chesapeake |
| 740 | 869 | Mount Sterling |
| 740 | 872 | Norwich |
| 740 | 874 | Sedalia |
| 740 | 881 | Rathbone |
| 740 | 884 | Richmondale |
| 740 | 886 | Chesapeake |
| 740 | 887 | Londonderry |
| 740 | 892 | Utica-Homer |
| 740 | 893 | Croton |
| 740 | 894 | Chesapeake |
| 740 | 896 | Lowell |
| 740 | 897 | Piketon |
| 740 | 922 | Uhrichsville |
| 740 | 924 | Alexandria |
| 740 | 926 | Beallsville |
| 740 | 927 | Pataskala |
| 740 | 928 | Hebron |
| 740 | 929 | Hebron |
| 740 | 934 | Graysville |
| 740 | 937 | Hopedale |
| 740 | 941 | Waverly |
| 740 | 942 | Cadiz |
| 740 | 943 | Richwood |
| 740 | 944 | Bloomingdale |
| 740 | 945 | Scio |
| 740 | 946 | Jewett |
| 740 | 947 | Waverly |
| 740 | 948 | Milledgeville |
| 740 | 949 | Pomeroy |
| 740 | 962 | McConnelsville |
| 740 | 963 | Pataskala |
| 740 | 964 | Pataskala |
| 740 | 965 | Sunbury |
| 740 | 966 | Johnstown |
| 740 | 967 | Johnstown |
| 740 | 968 | Flushing |
| 740 | 969 | Amanda |
| 740 | 982 | Crooksville |
| 740 | 983 | Ashville |
| 740 | 984 | Beverly |
| 740 | 985 | Chester |
| 740 | 986 | Williamsport |
| 740 | 987 | Junction City |
| 740 | 988 | Jackson |
| 740 | 988 | Jackson |
| 740 | 989 | Little Hocking |
| 740 | 992 | Pomeroy |
| 740 | 993 | Clarksburg |
| 740 | 998 | Frankfort |