Browse by state
All 50 states plus DC and US territories. Click into any state to see the carrier groups operating there, area-code coverage, and recent issuances.
| State | Active OCNs | Total blocks | Recent blocks |
|---|---|---|---|
| Alabama AL | 108 | 24,322 | 1,297 |
| Alaska AK | 48 | 2,127 | 110 |
| American Samoa AS | 4 | 38 | · |
| Arizona AZ | 78 | 23,345 | 908 |
| Arkansas AR | 83 | 14,885 | 888 |
| California CA | 116 | 174,595 | 5,942 |
| Colorado CO | 121 | 20,843 | 554 |
| Connecticut CT | 52 | 15,729 | 373 |
| Delaware DE | 38 | 5,231 | 286 |
| District of Columbia DC | 47 | 5,899 | 104 |
| Florida FL | 122 | 86,922 | 4,256 |
| Georgia GA | 126 | 48,278 | 2,495 |
| Guam GU | 10 | 108 | 4 |
| Hawaii HI | 38 | 4,098 | 246 |
| Idaho ID | 83 | 6,919 | 272 |
| Illinois IL | 145 | 64,829 | 3,069 |
| Indiana IN | 124 | 30,230 | 964 |
| Iowa IA | 266 | 18,372 | 1,095 |
| Kansas KS | 123 | 17,046 | 721 |
| Kentucky KY | 101 | 18,806 | 633 |
| Louisiana LA | 82 | 21,522 | 637 |
| Maine ME | 64 | 6,022 | 198 |
| Maryland MD | 74 | 28,922 | 1,239 |
| Massachusetts MA | 76 | 37,606 | 695 |
| Michigan MI | 128 | 48,990 | 1,437 |
| Minnesota MN | 185 | 24,161 | 625 |
| Mississippi MS | 72 | 14,564 | 634 |
| Missouri MO | 122 | 30,992 | 1,626 |
| Montana MT | 67 | 4,768 | 222 |
| Nebraska NE | 103 | 10,246 | 690 |
| Nevada NV | 76 | 11,045 | 319 |
| New Hampshire NH | 52 | 5,633 | 136 |
| New Jersey NJ | 85 | 43,269 | 1,651 |
| New Mexico NM | 79 | 8,260 | 419 |
| New York NY | 167 | 92,058 | 2,981 |
| North Carolina NC | 117 | 42,856 | 1,693 |
| North Dakota ND | 81 | 3,450 | 101 |
| Northern Mariana Islands MP | 4 | 48 | · |
| Ohio OH | 133 | 53,923 | 1,940 |
| Oklahoma OK | 109 | 19,231 | 1,434 |
| Oregon OR | 104 | 16,119 | 761 |
| Pennsylvania PA | 132 | 61,565 | 2,623 |
| Puerto Rico PR | 24 | 6,931 | 107 |
| Rhode Island RI | 39 | 4,391 | 128 |
| South Carolina SC | 93 | 20,667 | 1,093 |
| South Dakota SD | 97 | 3,557 | 153 |
| Tennessee TN | 113 | 27,740 | 1,002 |
| Texas TX | 201 | 124,943 | 5,484 |
| US Virgin Islands VI | 12 | 131 | · |
| Utah UT | 76 | 12,997 | 576 |
| Vermont VT | 47 | 4,090 | 100 |
| Virginia VA | 100 | 38,317 | 2,305 |
| Washington WA | 103 | 25,447 | 654 |
| West Virginia WV | 67 | 9,564 | 545 |
| Wisconsin WI | 168 | 25,409 | 1,391 |
| Wyoming WY | 54 | 2,750 | 175 |