ACTIVE: 200-499

201 New Jersey

301 Maryland

401 Rhode Island

202 Washington DC

302 Delaware

402 Nebraska (portions MT)

203 Connecticut

303 Colorado

403 Alberta

204 Manitoba

304 West Virginia

404 Georgia

205 Alabama

305 Florida

405 Oklahoma

206 Washington

306 Saskatchewan (portions MT)

406 Montana

207 Maine

307 Wyoming

407 Florida

208 Idaho (portions PT)

308 Nebraska (portions MT)

408 California

209 California

309 Illinois

409 Texas

210 Texas

310 California

410 Maryland

212 New York

312 Illinois

412 Pennsylvania

213 California

313 Michigan

413 Massachusetts

214 Texas

314 Missouri

414 Wisconsin

215 Pennsylvania

315 New York

415 California

216 Ohio

316 Kansas

416 Ontario

217 Illinois

317 Indiana

417 Missouri

218 Minnesota

318 Louisiana

418 Quebec

219 Indiana (portions CT)

319 Iowa

419 Ohio

224 Illinois

320 Minnesota

423 Tennessee (portions CT)

225 Louisiana

424 California

323 California

425 Washington

228 Mississippi

330 Ohio

231 Michigan

334 Alabama

435 Utah

234 Ohio

335 Colorado

438 Quebec

336 North Carolina

440 Ohio

240 Maryland

441 Bermuda

242 Bahamas

246 Barbados

443 Maryland

248 Michigan

345 Cayman Islands

456 Switched 56-K Inbound

347 New York

252 North Carolina  

469 Texas

253 Washington

352 Florida

470 Georgia

254 Texas

473 Grenada & Carriacou

475 Connecticut

479 Arkansas

480 Arizona (MT winter, PT summer)

268 Antigua & Barbuda

Code active and in
mandatory use

Code in
permissive dialing

Code assigned,
but not active

Reserved for future relief

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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