300-399

300

333

367

301 Maryland

334 Alabama

368

302 Delaware

335 Colorado

369 California

303 Colorado

336 North Carolina

370 RESERVED

304 West Virginia

337 Louisiana

371 RESERVED

305 Florida

338 Texas

372 RESERVED

306 Saskatchewan

339 Massachusetts

373 RESERVED

307 Wyoming

340 US Virgin Islands

374 RESERVED

308 Nebraska

341 California

375 RESERVED

309 Illinois

342

376 RESERVED

310 California

343 Ontario

377 RESERVED

311 Non-Emergency

344

378 RESERVED

312 Illinois

345 Cayman Islands

379 RESERVED

313 Michigan

346

380 Ohio

314 Missouri

347 New York

381 Virginia

315 New York

348 California

382

316 Kansas

349

383 Maine

317 Indiana

350 California

384 Ohio

318 Louisiana

351 Massachusetts

385 Utah

319 Iowa

352 Florida

386 Florida

320 Minnesota

353 Wisconsin

387

321 Florida

354 Florida

388

322

355

389 Missouri

323 California

356 New Jersey

390

324 Florida

357

391

325 Texas

358 Pennsylvania

392

326 Ohio

359

393

327 Arkansas

360 Washington

394

328 Wisconsin

361 Texas

395

329

362

396

330 Ohio

363 Florida

397

331 Illinois

364 New York

398

332 Pennsylvania

365

399

366

Code active and in
mandatory use

Code in
permissive dialing

Code assigned,
but not active

Unassigned
"easy-to-recognize"

Code unassignable
due to conflict

Reserved for NANP
digit-length expansion

Geographic Relief Code
(If State Designated,
SUBJECT TO CHANGE)

General Purpose Code
(If State Designated,
SUBJECT TO CHANGE)

Data current to 01/03/08.
Please e-mail any additions, corrections or clarifications
to the contact addresses on the main page.
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