Area Code 331
IL - 244 exchanges found
About Area Code 331
This page displays all phone exchanges (NXX codes) associated with area code 331. Click on any 6-digit prefix to see detailed information about phone numbers in that range.
331
Phone Exchanges (NXX)
| Prefix | Exchange (NXX) | Rate Center | Carrier | Action |
|---|---|---|---|---|
| 331-200 | 200 | BARTLETT | Unknown | |
| 331-201 | 201 | DOWNERSGRV | Unknown | |
| 331-202 | 202 | ELMHURST | 5562-METROPCS, INC. | |
| 331-202 | 202 | ELMHURST | Unknown | |
| 331-203 | 203 | AURORA | Unknown | |
| 331-204 | 204 | NAPERVILLE | Unknown | |
| 331-205 | 205 | AURORA | Unknown | |
| 331-206 | 206 | AURORA | Unknown | |
| 331-207 | 207 | YORKVILLE | Unknown | |
| 331-208 | 208 | AURORA | Unknown | |
| 331-209 | 209 | ELMHURST | Unknown | |
| 331-210 | 210 | ST CHARLES | Unknown | |
| 331-212 | 212 | AURORA | Unknown | |
| 331-213 | 213 | NAPERVILLE | Unknown | |
| 331-214 | 214 | DOWNERSGRV | Unknown | |
| 331-215 | 215 | NAPERVILLE | Unknown | |
| 331-216 | 216 | OSWEGO | Unknown | |
| 331-217 | 217 | LOMBARD | Unknown | |
| 331-218 | 218 | WHEATON | Unknown | |
| 331-219 | 219 | AURORA | Unknown | |
| 331-220 | 220 | AURORA | Unknown | |
| 331-221 | 221 | ELMHURST | Unknown | |
| 331-222 | 222 | ST CHARLES | Unknown | |
| 331-223 | 223 | ST CHARLES | Unknown | |
| 331-224 | 224 | ITASCA | Unknown | |
| 331-225 | 225 | ELMHURST | Unknown | |
| 331-226 | 226 | NAPERVILLE | Unknown | |
| 331-227 | 227 | SUGARGROVE | Unknown | |
| 331-228 | 228 | ST CHARLES | Unknown | |
| 331-229 | 229 | NAPERVILLE | Unknown | |
| 331-230 | 230 | AURORA | Unknown | |
| 331-231 | 231 | NAPERVILLE | Unknown | |
| 331-232 | 232 | W CHICAGO | Unknown | |
| 331-233 | 233 | DOWNERSGRV | Unknown | |
| 331-234 | 234 | SUGARGROVE | Unknown | |
| 331-235 | 235 | ST CHARLES | Unknown | |
| 331-236 | 236 | WHEATON | Unknown | |
| 331-237 | 237 | NAPERVILLE | Unknown | |
| 331-238 | 238 | DOWNERSGRV | Unknown | |
| 331-239 | 239 | YORKVILLE | Unknown | |
| 331-240 | 240 | W CHICAGO | Unknown | |
| 331-241 | 241 | LOMBARD | Unknown | |
| 331-242 | 242 | LOMBARD | Unknown | |
| 331-243 | 243 | LOMBARD | Unknown | |
| 331-244 | 244 | NAPERVILLE | Unknown | |
| 331-245 | 245 | BARTLETT | Unknown | |
| 331-246 | 246 | LEMONT | Unknown | |
| 331-247 | 247 | NAPERVILLE | Unknown | |
| 331-248 | 248 | GENEVA | Unknown | |
| 331-249 | 249 | NAPERVILLE | Unknown | |
| 331-250 | 250 | AURORA | Unknown | |
| 331-251 | 251 | DOWNERSGRV | Unknown | |
| 331-252 | 252 | WARRENVL | 7136-TELEPORT COMMUNICATIONS AMERICA, LLC - IL | |
| 331-252 | 252 | WARRENVL | Unknown | |
| 331-253 | 253 | LEMONT | Unknown | |
| 331-254 | 254 | SUGARGROVE | Unknown | |
| 331-255 | 255 | AURORA | Unknown | |
| 331-256 | 256 | AURORA | Unknown | |
| 331-257 | 257 | AURORA | Unknown | |
| 331-258 | 258 | AURORA | Unknown | |
| 331-259 | 259 | SUGARGROVE | Unknown | |
| 331-260 | 260 | DOWNERSGRV | Unknown | |
| 331-261 | 261 | LEMONT | 6529-T-MOBILE USA, INC. | |
| 331-261 | 261 | LEMONT | Unknown | |
| 331-262 | 262 | AURORA | Unknown | |
| 331-263 | 263 | ITASCA | Unknown | |
| 331-264 | 264 | HINSDALE | Unknown | |
| 331-265 | 265 | GENEVA | Unknown | |
| 331-266 | 266 | ST CHARLES | Unknown | |
| 331-267 | 267 | LOMBARD | Unknown | |
| 331-268 | 268 | SUGARGROVE | Unknown | |
| 331-269 | 269 | AURORA | Unknown | |
| 331-270 | 270 | AURORA | Unknown | |
| 331-271 | 271 | HINSDALE | Unknown | |
| 331-272 | 272 | ST CHARLES | Unknown | |
| 331-273 | 273 | LEMONT | Unknown | |
| 331-274 | 274 | AURORA | Unknown | |
| 331-275 | 275 | BARTLETT | Unknown | |
| 331-276 | 276 | ST CHARLES | Unknown | |
| 331-277 | 277 | LOMBARD | Unknown | |
| 331-278 | 278 | AURORA | Unknown | |
| 331-279 | 279 | ELMHURST | Unknown | |
| 331-280 | 280 | DOWNERSGRV | Unknown | |
| 331-281 | 281 | NAPERVILLE | Unknown | |
| 331-282 | 282 | HINSDALE | Unknown | |
| 331-283 | 283 | GENEVA | 6529-T-MOBILE USA, INC. | |
| 331-283 | 283 | GENEVA | Unknown | |
| 331-284 | 284 | BARTLETT | 6529-T-MOBILE USA, INC. | |
| 331-284 | 284 | BARTLETT | Unknown | |
| 331-285 | 285 | NAPERVILLE | Unknown | |
| 331-286 | 286 | ST CHARLES | Unknown | |
| 331-287 | 287 | AURORA | Unknown | |
| 331-288 | 288 | ELBURN | Unknown | |
| 331-289 | 289 | HINSDALE | Unknown | |
| 331-290 | 290 | AURORA | Unknown | |
| 331-291 | 291 | DOWNERSGRV | Unknown | |
| 331-292 | 292 | DOWNERSGRV | Unknown | |
| 331-293 | 293 | AURORA | Unknown | |
| 331-294 | 294 | NAPERVILLE | Unknown | |
| 331-295 | 295 | AURORA | Unknown | |
| 331-296 | 296 | WHEATON | Unknown | |
| 331-297 | 297 | BATAVIA | 224C-ONVOY, LLC | |
| 331-297 | 297 | BATAVIA | Unknown | |
| 331-298 | 298 | NAPERVILLE | Unknown | |
| 331-299 | 299 | HINSDALE | Unknown | |
| 331-300 | 300 | AURORA | Unknown | |
| 331-301 | 301 | AURORA | Unknown | |
| 331-302 | 302 | AURORA | Unknown | |
| 331-303 | 303 | ELBURN | 984E-BANDWIDTH.COM CLEC, LLC - IL | |
| 331-303 | 303 | ELBURN | Unknown | |
| 331-304 | 304 | BARTLETT | Unknown | |
| 331-305 | 305 | NAPERVILLE | Unknown | |
| 331-306 | 306 | DOWNERSGRV | Unknown | |
| 331-307 | 307 | LOMBARD | Unknown | |
| 331-308 | 308 | BARTLETT | Unknown | |
| 331-309 | 309 | LEMONT | 939H-COMMIO, LLC | |
| 331-309 | 309 | LEMONT | Unknown | |
| 331-310 | 310 | BIG ROCK | Unknown | |
| 331-312 | 312 | AURORA | Unknown | |
| 331-313 | 313 | NAPERVILLE | Unknown | |
| 331-314 | 314 | ST CHARLES | Unknown | |
| 331-315 | 315 | LOMBARD | Unknown | |
| 331-316 | 316 | NAPERVILLE | Unknown | |
| 331-317 | 317 | HINSDALE | Unknown | |
| 331-318 | 318 | LEMONT | Unknown | |
| 331-319 | 319 | AURORA | Unknown | |
| 331-320 | 320 | BARTLETT | 224C-ONVOY, LLC | |
| 331-320 | 320 | BARTLETT | Unknown | |
| 331-321 | 321 | AURORA | Unknown | |
| 331-322 | 322 | LOMBARD | Unknown | |
| 331-323 | 323 | GLEN ELLYN | 224C-ONVOY, LLC | |
| 331-323 | 323 | GLEN ELLYN | Unknown | |
| 331-324 | 324 | YORKVILLE | 224C-ONVOY, LLC | |
| 331-324 | 324 | YORKVILLE | Unknown | |
| 331-325 | 325 | LEMONT | 624H-ONVOY SPECTRUM, LLC | |
| 331-325 | 325 | LEMONT | Unknown | |
| 331-326 | 326 | DOWNERSGRV | Unknown | |
| 331-327 | 327 | ST CHARLES | 6333-CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | |
| 331-327 | 327 | ST CHARLES | Unknown | |
| 331-328 | 328 | NAPERVILLE | 6534-NEW CINGULAR WIRELESS PCS, LLC - IL | |
| 331-328 | 328 | NAPERVILLE | Unknown | |
| 331-329 | 329 | AURORA | Unknown | |
| 331-330 | 330 | NAPERVILLE | Unknown | |
| 331-332 | 332 | NAPERVILLE | Unknown | |
| 331-333 | 333 | NAPERVILLE | Unknown | |
| 331-334 | 334 | BATAVIA | Unknown | |
| 331-335 | 335 | ST CHARLES | Unknown | |
| 331-336 | 336 | AURORA | Unknown | |
| 331-337 | 337 | OSWEGO | 6534-NEW CINGULAR WIRELESS PCS, LLC - IL | |
| 331-337 | 337 | OSWEGO | Unknown | |
| 331-338 | 338 | AURORA | 624H-ONVOY SPECTRUM, LLC | |
| 331-338 | 338 | AURORA | Unknown | |
| 331-341 | 341 | PLANO | Unknown | |
| 331-343 | 343 | DOWNERSGRV | Unknown | |
| 331-345 | 345 | NAPERVILLE | Unknown | |
| 331-348 | 348 | ELBURN | 965H-FRACTEL, LLC | |
| 331-348 | 348 | ELBURN | Unknown | |
| 331-356 | 356 | BARTLETT | Unknown | |
| 331-373 | 373 | OSWEGO | Unknown | |
| 331-385 | 385 | AURORA | Unknown | |
| 331-388 | 388 | SUGARGROVE | 965H-FRACTEL, LLC | |
| 331-388 | 388 | SUGARGROVE | Unknown | |
| 331-399 | 399 | DOWNERSGRV | Unknown | |
| 331-400 | 400 | OSWEGO | Unknown | |
| 331-401 | 401 | NAPERVILLE | Unknown | |
| 331-422 | 422 | ST CHARLES | 6115-LEVEL 3 COMMUNICATIONS, LLC - IL | |
| 331-422 | 422 | ST CHARLES | Unknown | |
| 331-425 | 425 | AURORA | Unknown | |
| 331-426 | 426 | LEMONT | Unknown | |
| 331-431 | 431 | AURORA | Unknown | |
| 331-442 | 442 | ST CHARLES | Unknown | |
| 331-444 | 444 | NAPERVILLE | Unknown | |
| 331-452 | 452 | AURORA | Unknown | |
| 331-454 | 454 | AURORA | Unknown | |
| 331-456 | 456 | ROSELLE | Unknown | |
| 331-457 | 457 | NAPERVILLE | Unknown | |
| 331-462 | 462 | LOMBARD | 7196-MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | |
| 331-462 | 462 | LOMBARD | Unknown | |
| 331-465 | 465 | W CHICAGO | Unknown | |
| 331-466 | 466 | GLEN ELLYN | Unknown | |
| 331-472 | 472 | NAPERVILLE | Unknown | |
| 331-481 | 481 | DOWNERSGRV | Unknown | |
| 331-500 | 500 | GENEVA | Unknown | |
| 331-529 | 529 | NAPERVILLE | Unknown | |
| 331-551 | 551 | LOMBARD | Unknown | |
| 331-575 | 575 | AURORA | Unknown | |
| 331-588 | 588 | ST CHARLES | Unknown | |
| 331-600 | 600 | WHEATON | Unknown | |
| 331-625 | 625 | DOWNERSGRV | Unknown | |
| 331-627 | 627 | LOMBARD | Unknown | |
| 331-631 | 631 | DOWNERSGRV | Unknown | |
| 331-642 | 642 | ELMHURST | Unknown | |
| 331-643 | 643 | AURORA | Unknown | |
| 331-645 | 645 | ELMHURST | Unknown | |
| 331-666 | 666 | AURORA | Unknown | |
| 331-684 | 684 | AURORA | 8702-RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | |
| 331-684 | 684 | AURORA | Unknown | |
| 331-688 | 688 | NAPERVILLE | Unknown | |
| 331-701 | 701 | NAPERVILLE | Unknown | |
| 331-702 | 702 | NAPERVILLE | Unknown | |
| 331-703 | 703 | W CHICAGO | Unknown | |
| 331-704 | 704 | KANEVILLE | 984E-BANDWIDTH.COM CLEC, LLC - IL | |
| 331-704 | 704 | KANEVILLE | Unknown | |
| 331-707 | 707 | AURORA | Unknown | |
| 331-716 | 716 | WHEATON | Unknown | |
| 331-717 | 717 | OSWEGO | Unknown | |
| 331-725 | 725 | OSWEGO | Unknown | |
| 331-732 | 732 | GENEVA | Unknown | |
| 331-746 | 746 | KANEVILLE | 516J-TON80 COMMUNICATIONS, LLC | |
| 331-746 | 746 | KANEVILLE | Unknown | |
| 331-757 | 757 | LEMONT | Unknown | |
| 331-758 | 758 | AURORA | Unknown | |
| 331-771 | 771 | ST CHARLES | Unknown | |
| 331-775 | 775 | DOWNERSGRV | Unknown | |
| 331-777 | 777 | DOWNERSGRV | Unknown | |
| 331-788 | 788 | GENEVA | 965H-FRACTEL, LLC | |
| 331-788 | 788 | GENEVA | Unknown | |
| 331-800 | 800 | W CHICAGO | Unknown | |
| 331-801 | 801 | DOWNERSGRV | Unknown | |
| 331-803 | 803 | LEMONT | Unknown | |
| 331-806 | 806 | WHEATON | Unknown | |
| 331-808 | 808 | PLANO | Unknown | |
| 331-814 | 814 | NAPERVILLE | Unknown | |
| 331-826 | 826 | ELMHURST | Unknown | |
| 331-837 | 837 | W CHICAGO | 516J-TON80 COMMUNICATIONS, LLC | |
| 331-837 | 837 | W CHICAGO | Unknown | |
| 331-850 | 850 | BIG ROCK | 224C-ONVOY, LLC | |
| 331-850 | 850 | BIG ROCK | Unknown | |
| 331-866 | 866 | WHEATON | Unknown | |
| 331-867 | 867 | YORKVILLE | 965H-FRACTEL, LLC | |
| 331-867 | 867 | YORKVILLE | Unknown | |
| 331-871 | 871 | W CHICAGO | Unknown | |
| 331-888 | 888 | WARRENVL | 063E-PEERLESS NETWORK OF ILLINOIS, LLC - IL | |
| 331-888 | 888 | WARRENVL | Unknown | |
| 331-899 | 899 | LOMBARD | Unknown | |
| 331-900 | 900 | ELMHURST | Unknown | |
| 331-901 | 901 | ST CHARLES | Unknown | |
| 331-903 | 903 | DOWNERSGRV | Unknown | |
| 331-946 | 946 | GLEN ELLYN | 965H-FRACTEL, LLC | |
| 331-946 | 946 | GLEN ELLYN | Unknown | |
| 331-979 | 979 | ELMHURST | Unknown | |
| 331-980 | 980 | AURORA | Unknown | |
| 331-998 | 998 | DOWNERSGRV | Unknown | |
| 331-999 | 999 | OSWEGO | Unknown |
Quick Facts
- Area Code 331
- State IL
- Exchanges 244