Last updated: Fri, 17 May 2013 01:26:12 UTC
| NPA | Region | Overlay |
|---|---|---|
| 301 | Maryland | 301/240/227 |
| 302 | Delaware | |
| 303 | Colorado | 303/720 |
| 304 | West Virginia | 304/681 |
| 305 | Florida | 305/786 |
| 306 | Saskatchewan | 306/639 |
| 307 | Wyoming | |
| 308 | Nebraska | |
| 309 | Illinois | |
| 310 | California | 310/424 |
| 312 | Illinois | 312/872 |
| 313 | Michigan | |
| 314 | Missouri | 314/557 |
| 315 | New York | |
| 316 | Kansas | |
| 317 | Indiana | |
| 318 | Louisiana | |
| 319 | Iowa | |
| 320 | Minnesota | |
| 321 | Florida | |
| 323 | California | |
| 325 | Texas | |
| 327 | Arkansas | 870/327 |
| 330 | Ohio | 330/234 |
| 331 | Illinois | 630/331 |
| 334 | Alabama | |
| 336 | North Carolina | |
| 337 | Louisiana | |
| 339 | Massachusetts | 781/339 |
| 340 | US Virgin Islands | |
| 341 | California | |
| 343 | Ontario | 613/343 |
| 345 | Cayman Islands | |
| 347 | New York | 718/347/917/929 |
| 351 | Massachusetts | 978/351 |
| 352 | Florida | |
| 360 | Washington | |
| 361 | Texas | |
| 364 | Kentucky | |
| 365 | Ontario | 905/289/365 |
| 369 | California | |
| 380 | Ohio | 614/380 |
| 385 | Utah | 801/385 |
| 386 | Florida |
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