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).

  • 3127972300 | +1 312-797-2300 Illinois U.S.A.
  • 3127972301 | +1 312-797-2301 Illinois U.S.A.
  • 3127972302 | +1 312-797-2302 Illinois U.S.A.
  • 3127972303 | +1 312-797-2303 Illinois U.S.A.
  • 3127972304 | +1 312-797-2304 Illinois U.S.A.
  • 3127972305 | +1 312-797-2305 Illinois U.S.A.
  • 3127972306 | +1 312-797-2306 Illinois U.S.A.
  • 3127972307 | +1 312-797-2307 Illinois U.S.A.
  • 3127972308 | +1 312-797-2308 Illinois U.S.A.
  • 3127972309 | +1 312-797-2309 Illinois U.S.A.
  • 3127972310 | +1 312-797-2310 Illinois U.S.A.
  • 3127972311 | +1 312-797-2311 Illinois U.S.A.
  • 3127972312 | +1 312-797-2312 Illinois U.S.A.
  • 3127972313 | +1 312-797-2313 Illinois U.S.A.
  • 3127972314 | +1 312-797-2314 Illinois U.S.A.
  • 3127972315 | +1 312-797-2315 Illinois U.S.A.
  • 3127972316 | +1 312-797-2316 Illinois U.S.A.
  • 3127972317 | +1 312-797-2317 Illinois U.S.A.
  • 3127972318 | +1 312-797-2318 Illinois U.S.A.
  • 3127972319 | +1 312-797-2319 Illinois U.S.A.
  • 3127972320 | +1 312-797-2320 Illinois U.S.A.
  • 3127972321 | +1 312-797-2321 Illinois U.S.A.
  • 3127972322 | +1 312-797-2322 Illinois U.S.A.
  • 3127972323 | +1 312-797-2323 Illinois U.S.A.
  • 3127972324 | +1 312-797-2324 Illinois U.S.A.
  • 3127972325 | +1 312-797-2325 Illinois U.S.A.
  • 3127972326 | +1 312-797-2326 Illinois U.S.A.
  • 3127972327 | +1 312-797-2327 Illinois U.S.A.
  • 3127972328 | +1 312-797-2328 Illinois U.S.A.
  • 3127972329 | +1 312-797-2329 Illinois U.S.A.
  • 3127972330 | +1 312-797-2330 Illinois U.S.A.
  • 3127972331 | +1 312-797-2331 Illinois U.S.A.
  • 3127972332 | +1 312-797-2332 Illinois U.S.A.
  • 3127972333 | +1 312-797-2333 Illinois U.S.A.
  • 3127972334 | +1 312-797-2334 Illinois U.S.A.
  • 3127972335 | +1 312-797-2335 Illinois U.S.A.
  • 3127972336 | +1 312-797-2336 Illinois U.S.A.
  • 3127972337 | +1 312-797-2337 Illinois U.S.A.
  • 3127972338 | +1 312-797-2338 Illinois U.S.A.
  • 3127972339 | +1 312-797-2339 Illinois U.S.A.
  • 3127972340 | +1 312-797-2340 Illinois U.S.A.
  • 3127972341 | +1 312-797-2341 Illinois U.S.A.
  • 3127972342 | +1 312-797-2342 Illinois U.S.A.
  • 3127972343 | +1 312-797-2343 Illinois U.S.A.
  • 3127972344 | +1 312-797-2344 Illinois U.S.A.
  • 3127972345 | +1 312-797-2345 Illinois U.S.A.
  • 3127972346 | +1 312-797-2346 Illinois U.S.A.
  • 3127972347 | +1 312-797-2347 Illinois U.S.A.
  • 3127972348 | +1 312-797-2348 Illinois U.S.A.
  • 3127972349 | +1 312-797-2349 Illinois U.S.A.
  • 3127972350 | +1 312-797-2350 Illinois U.S.A.
  • 3127972351 | +1 312-797-2351 Illinois U.S.A.
  • 3127972352 | +1 312-797-2352 Illinois U.S.A.
  • 3127972353 | +1 312-797-2353 Illinois U.S.A.
  • 3127972354 | +1 312-797-2354 Illinois U.S.A.
  • 3127972355 | +1 312-797-2355 Illinois U.S.A.
  • 3127972356 | +1 312-797-2356 Illinois U.S.A.
  • 3127972357 | +1 312-797-2357 Illinois U.S.A.
  • 3127972358 | +1 312-797-2358 Illinois U.S.A.
  • 3127972359 | +1 312-797-2359 Illinois U.S.A.
  • 3127972360 | +1 312-797-2360 Illinois U.S.A.
  • 3127972361 | +1 312-797-2361 Illinois U.S.A.
  • 3127972362 | +1 312-797-2362 Illinois U.S.A.
  • 3127972363 | +1 312-797-2363 Illinois U.S.A.
  • 3127972364 | +1 312-797-2364 Illinois U.S.A.
  • 3127972365 | +1 312-797-2365 Illinois U.S.A.
  • 3127972366 | +1 312-797-2366 Illinois U.S.A.
  • 3127972367 | +1 312-797-2367 Illinois U.S.A.
  • 3127972368 | +1 312-797-2368 Illinois U.S.A.
  • 3127972369 | +1 312-797-2369 Illinois U.S.A.
  • 3127972370 | +1 312-797-2370 Illinois U.S.A.
  • 3127972371 | +1 312-797-2371 Illinois U.S.A.
  • 3127972372 | +1 312-797-2372 Illinois U.S.A.
  • 3127972373 | +1 312-797-2373 Illinois U.S.A.
  • 3127972374 | +1 312-797-2374 Illinois U.S.A.
  • 3127972375 | +1 312-797-2375 Illinois U.S.A.
  • 3127972376 | +1 312-797-2376 Illinois U.S.A.
  • 3127972377 | +1 312-797-2377 Illinois U.S.A.
  • 3127972378 | +1 312-797-2378 Illinois U.S.A.
  • 3127972379 | +1 312-797-2379 Illinois U.S.A.
  • 3127972380 | +1 312-797-2380 Illinois U.S.A.
  • 3127972381 | +1 312-797-2381 Illinois U.S.A.
  • 3127972382 | +1 312-797-2382 Illinois U.S.A.
  • 3127972383 | +1 312-797-2383 Illinois U.S.A.
  • 3127972384 | +1 312-797-2384 Illinois U.S.A.
  • 3127972385 | +1 312-797-2385 Illinois U.S.A.
  • 3127972386 | +1 312-797-2386 Illinois U.S.A.
  • 3127972387 | +1 312-797-2387 Illinois U.S.A.
  • 3127972388 | +1 312-797-2388 Illinois U.S.A.
  • 3127972389 | +1 312-797-2389 Illinois U.S.A.
  • 3127972390 | +1 312-797-2390 Illinois U.S.A.
  • 3127972391 | +1 312-797-2391 Illinois U.S.A.
  • 3127972392 | +1 312-797-2392 Illinois U.S.A.
  • 3127972393 | +1 312-797-2393 Illinois U.S.A.
  • 3127972394 | +1 312-797-2394 Illinois U.S.A.
  • 3127972395 | +1 312-797-2395 Illinois U.S.A.
  • 3127972396 | +1 312-797-2396 Illinois U.S.A.
  • 3127972397 | +1 312-797-2397 Illinois U.S.A.
  • 3127972398 | +1 312-797-2398 Illinois U.S.A.
  • 3127972399 | +1 312-797-2399 Illinois U.S.A.