| City/Town | Area Code | Zip Code | County | Code | |
| Bache | 918 | 74526 | Pittsburg | 40121 | |
| Bacone | 918 | 74401 | Muskogee | 40101 | |
| Baker | 405 | 73950 | Texas | 40139 | |
| Balko | 405 | 73931 | Beaver | 40007 | |
| Barnsdall | 918 | 74002 | Osage | 40113 | |
| Bartlesville | 918 | 74003 | Washington | 40147 | |
| 74006 | |||||
| Battiest | 405 | 74722 | McCurtain | 40089 | |
| Bearden | 918 | 74859 | Okfuskee | 40107 | |
| Beaver | 405 | 73932 | Beaver | 40007 | |
| Beggs | 918 | 74421 | Okmulgee | 40111 | |
| Bengal | 918 | 74966 | Latimer | 40077 | |
| Bennington | 405 | 74723 | Bryan | 40013 | |
| Bentley | 405 | 74525 | Atoka | 40005 | |
| Berlin | 405 | 73662 | Roger Mills | 40129 | |
| Bernice | 918 | 74331 | Delaware | 40041 | |
| Bessie | 405 | 73622 | Washita | 40149 | |
| Bethany | 405 | 73008 | Oklahoma | 40109 | |
| Bethel | 405 | 74724 | McCurtain | 40089 | |
| Bethel Acres | 405 | 74801 | Pottawatomie | 40125 | |
| Big Cabin | 918 | 74332 | Craig | 40035 | |
| Billings | 405 | 74630 | Nobie | 40103 | |
| Binger | 405 | 73009 | Caddo | 40015 | |
| Bison | 405 | 73720 | Garfield | 40047 | |
| Bixby | 918 | 74008 | Tulsa | 40143 | |
| Blackwell | 405 | 74631 | Kay | 40071 | |
| Blair | 405 | 73526 | Jackson | 40065 | |
| Blanchard | 405 | 73010 | McClain | 40087 | |
| Blanco | 918 | 74528 | Pittsburg | 40121 | |
| Blocker | 918 | 74529 | Pittsburg | 40121 | |
| Blue | 405 | 74701 | Bryan | 40013 | |
| Bluejacket | 918 | 74333 | Craig | 40035 | |
| Boatman | 918 | 74361 | Mayes | 40097 | |
| Boise City | 405 | 73933 | Cimarron | 40025 | |
| Bokchito | 405 | 74726 | Bryan | 40013 | |
| Bokoshe | 918 | 74930 | LeFlore | 40079 | |
| Boley | 918 | 74829 | Okfuskee | 40107 | |
| Boswell | 405 | 74727 | Choctaw | 40023 | |
| Bowlegs | 405 | 74830 | Seminole | 40133 | |
| Bowring | 918 | 74009 | Osage | 40113 | |
| Boynton | 918 | 74422 | Muskogee | 40101 | |
| Bradley | 405 | 73011 | Grady | 40051 | |
| Braggs | 918 | 74423 | Muskogee | 40101 | |
| Braman | 405 | 74632 | Kay | 40071 | |
| Bray | 405 | 73012 | Stephens | 40137 | |
| Breckinridge | 405 | 73701 | Garfield | 40047 | |
| Briartown | 918 | 74455 | Muskogee | 40101 | |
| Bridgeport | 405 | 73047 | Caddo | 40015 | |
| Brinkman | 405 | 73673 | Greer | 40055 | |
| Bristow | 918 | 74010 | Creek | 40037 | |
| Broken Arrow | 918 | 73997 | Tulsa | 40143 | |
| Broken Bow | 405 | 74728 | McCurtain | 40089 | |
| Bromide | 405 | 74530 | Johnston | 40069 | |
| Brooksville | 405 | 74873 | Pottawatomie | 40125 | |
| Buffalo | 405 | 73834 | Harper | 40059 | |
| Bunch | 918 | 74931 | Adair | 40001 | |
| Burbank | 918 | 74633 | Osage | 40113 | |
| Burlington | 405 | 73722 | Alfalfa | 40003 | |
| Burneyville | 405 | 73430 | Love | 40085 | |
| Burns Flat | 405 | 73624 | Washita | 40149 | |
| Butler | 405 | 73625 | Custer | 40039 | |
| Byars | 405 | 74831 | McClain | 40087 | |
| Byng | 405 | 74820 | Pontotoc | 40123 | |
| Byron | 405 | 73723 | Alfalfa | 40003 |