City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3127122300 | +1 312-712-2300 Illinois U.S.A.
  • 3127122301 | +1 312-712-2301 Illinois U.S.A.
  • 3127122302 | +1 312-712-2302 Illinois U.S.A.
  • 3127122303 | +1 312-712-2303 Illinois U.S.A.
  • 3127122304 | +1 312-712-2304 Illinois U.S.A.
  • 3127122305 | +1 312-712-2305 Illinois U.S.A.
  • 3127122306 | +1 312-712-2306 Illinois U.S.A.
  • 3127122307 | +1 312-712-2307 Illinois U.S.A.
  • 3127122308 | +1 312-712-2308 Illinois U.S.A.
  • 3127122309 | +1 312-712-2309 Illinois U.S.A.
  • 3127122310 | +1 312-712-2310 Illinois U.S.A.
  • 3127122311 | +1 312-712-2311 Illinois U.S.A.
  • 3127122312 | +1 312-712-2312 Illinois U.S.A.
  • 3127122313 | +1 312-712-2313 Illinois U.S.A.
  • 3127122314 | +1 312-712-2314 Illinois U.S.A.
  • 3127122315 | +1 312-712-2315 Illinois U.S.A.
  • 3127122316 | +1 312-712-2316 Illinois U.S.A.
  • 3127122317 | +1 312-712-2317 Illinois U.S.A.
  • 3127122318 | +1 312-712-2318 Illinois U.S.A.
  • 3127122319 | +1 312-712-2319 Illinois U.S.A.
  • 3127122320 | +1 312-712-2320 Illinois U.S.A.
  • 3127122321 | +1 312-712-2321 Illinois U.S.A.
  • 3127122322 | +1 312-712-2322 Illinois U.S.A.
  • 3127122323 | +1 312-712-2323 Illinois U.S.A.
  • 3127122324 | +1 312-712-2324 Illinois U.S.A.
  • 3127122325 | +1 312-712-2325 Illinois U.S.A.
  • 3127122326 | +1 312-712-2326 Illinois U.S.A.
  • 3127122327 | +1 312-712-2327 Illinois U.S.A.
  • 3127122328 | +1 312-712-2328 Illinois U.S.A.
  • 3127122329 | +1 312-712-2329 Illinois U.S.A.
  • 3127122330 | +1 312-712-2330 Illinois U.S.A.
  • 3127122331 | +1 312-712-2331 Illinois U.S.A.
  • 3127122332 | +1 312-712-2332 Illinois U.S.A.
  • 3127122333 | +1 312-712-2333 Illinois U.S.A.
  • 3127122334 | +1 312-712-2334 Illinois U.S.A.
  • 3127122335 | +1 312-712-2335 Illinois U.S.A.
  • 3127122336 | +1 312-712-2336 Illinois U.S.A.
  • 3127122337 | +1 312-712-2337 Illinois U.S.A.
  • 3127122338 | +1 312-712-2338 Illinois U.S.A.
  • 3127122339 | +1 312-712-2339 Illinois U.S.A.
  • 3127122340 | +1 312-712-2340 Illinois U.S.A.
  • 3127122341 | +1 312-712-2341 Illinois U.S.A.
  • 3127122342 | +1 312-712-2342 Illinois U.S.A.
  • 3127122343 | +1 312-712-2343 Illinois U.S.A.
  • 3127122344 | +1 312-712-2344 Illinois U.S.A.
  • 3127122345 | +1 312-712-2345 Illinois U.S.A.
  • 3127122346 | +1 312-712-2346 Illinois U.S.A.
  • 3127122347 | +1 312-712-2347 Illinois U.S.A.
  • 3127122348 | +1 312-712-2348 Illinois U.S.A.
  • 3127122349 | +1 312-712-2349 Illinois U.S.A.
  • 3127122350 | +1 312-712-2350 Illinois U.S.A.
  • 3127122351 | +1 312-712-2351 Illinois U.S.A.
  • 3127122352 | +1 312-712-2352 Illinois U.S.A.
  • 3127122353 | +1 312-712-2353 Illinois U.S.A.
  • 3127122354 | +1 312-712-2354 Illinois U.S.A.
  • 3127122355 | +1 312-712-2355 Illinois U.S.A.
  • 3127122356 | +1 312-712-2356 Illinois U.S.A.
  • 3127122357 | +1 312-712-2357 Illinois U.S.A.
  • 3127122358 | +1 312-712-2358 Illinois U.S.A.
  • 3127122359 | +1 312-712-2359 Illinois U.S.A.
  • 3127122360 | +1 312-712-2360 Illinois U.S.A.
  • 3127122361 | +1 312-712-2361 Illinois U.S.A.
  • 3127122362 | +1 312-712-2362 Illinois U.S.A.
  • 3127122363 | +1 312-712-2363 Illinois U.S.A.
  • 3127122364 | +1 312-712-2364 Illinois U.S.A.
  • 3127122365 | +1 312-712-2365 Illinois U.S.A.
  • 3127122366 | +1 312-712-2366 Illinois U.S.A.
  • 3127122367 | +1 312-712-2367 Illinois U.S.A.
  • 3127122368 | +1 312-712-2368 Illinois U.S.A.
  • 3127122369 | +1 312-712-2369 Illinois U.S.A.
  • 3127122370 | +1 312-712-2370 Illinois U.S.A.
  • 3127122371 | +1 312-712-2371 Illinois U.S.A.
  • 3127122372 | +1 312-712-2372 Illinois U.S.A.
  • 3127122373 | +1 312-712-2373 Illinois U.S.A.
  • 3127122374 | +1 312-712-2374 Illinois U.S.A.
  • 3127122375 | +1 312-712-2375 Illinois U.S.A.
  • 3127122376 | +1 312-712-2376 Illinois U.S.A.
  • 3127122377 | +1 312-712-2377 Illinois U.S.A.
  • 3127122378 | +1 312-712-2378 Illinois U.S.A.
  • 3127122379 | +1 312-712-2379 Illinois U.S.A.
  • 3127122380 | +1 312-712-2380 Illinois U.S.A.
  • 3127122381 | +1 312-712-2381 Illinois U.S.A.
  • 3127122382 | +1 312-712-2382 Illinois U.S.A.
  • 3127122383 | +1 312-712-2383 Illinois U.S.A.
  • 3127122384 | +1 312-712-2384 Illinois U.S.A.
  • 3127122385 | +1 312-712-2385 Illinois U.S.A.
  • 3127122386 | +1 312-712-2386 Illinois U.S.A.
  • 3127122387 | +1 312-712-2387 Illinois U.S.A.
  • 3127122388 | +1 312-712-2388 Illinois U.S.A.
  • 3127122389 | +1 312-712-2389 Illinois U.S.A.
  • 3127122390 | +1 312-712-2390 Illinois U.S.A.
  • 3127122391 | +1 312-712-2391 Illinois U.S.A.
  • 3127122392 | +1 312-712-2392 Illinois U.S.A.
  • 3127122393 | +1 312-712-2393 Illinois U.S.A.
  • 3127122394 | +1 312-712-2394 Illinois U.S.A.
  • 3127122395 | +1 312-712-2395 Illinois U.S.A.
  • 3127122396 | +1 312-712-2396 Illinois U.S.A.
  • 3127122397 | +1 312-712-2397 Illinois U.S.A.
  • 3127122398 | +1 312-712-2398 Illinois U.S.A.
  • 3127122399 | +1 312-712-2399 Illinois U.S.A.