Area code 618 is assigned for use in Illinois since Jan 01, 1947. View all phone prefixes used in area code 618 or other area codes in Illinois. Included with the location of each prefix are the phone companies / service providers that operates them.
| Area code / prefix | Location | Company / Service Provider |
|---|---|---|
| 618-200 | BENTON, IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
| 618-201 | CARBONDALE, IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
| 618-202 | ANNA, IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 618-203 | CARBONDALE, IL | T-MOBILE USA, INC. |
| 618-204 | MT VERNON, IL | T-MOBILE USA, INC. |
| 618-205 | GLEN CARBON, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-206 | O FALLON, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-207 | BELLEVILLE, IL | LEVEL 3 COMMUNICATIONS, LLC - IL |
| 618-208 | ALTON, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-209 | GOLCONDA, IL | TELNYX LLC |
| 618-210 | Collinsville, IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 618-212 | BELLEVILLE, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-213 | EDGEMONT, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-214 | MT VERNON, IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
| 618-215 | E ST LOUIS, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-216 | WOOD RIVER, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-217 | WOOD RIVER, IL | T-MOBILE USA, INC. |
| 618-218 | BENTON, IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
| 618-219 | Granite City, IL | WINDSTREAM NUVOX ILLINOIS, LLC |
| 618-220 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-221 | BREESE, IL | PEERLESS NETWORK OF ILLINOIS, LLC - IL |
| 618-222 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-223 | Collinsville, IL | LEVEL 3 COMMUNICATIONS, LLC - IL |
| 618-224 | TRENTON, IL | ILLINOIS BELL TEL CO |
| 618-225 | Granite City, IL | ILLINOIS BELL TEL CO |
| 618-226 | SHATTUC, IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
| 618-227 | BECKEMEYER, IL | ILLINOIS BELL TEL CO |
| 618-228 | AVISTON, IL | ILLINOIS BELL TEL CO |
| 618-229 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-230 | EDGEMONT, IL | TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
| 618-231 | CENTRALIA, IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 618-232 | HAMBURG, IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
| 618-233 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-234 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-235 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-236 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-237 | CENTRALIA, IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 618-238 | EDGEWOOD, IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
| 618-239 | BELLEVILLE, IL | ILLINOIS BELL TEL CO |
| 618-240 | MT CARMEL, IL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
| 618-241 | MT VERNON, IL | ILLINOIS BELL TEL CO |
| 618-242 | MT VERNON, IL | ILLINOIS BELL TEL CO |
| 618-243 | OKAWVILLE, IL | FRONTIER NORTH, INC. - IL |
| 618-244 | MT VERNON, IL | ILLINOIS BELL TEL CO |
| 618-245 | FARINA, IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
| 618-246 | MT VERNON, IL | ILLINOIS BELL TEL CO |
| 618-247 | SANDOVAL, IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
| 618-248 | ALBERS, IL | FRONTIER NORTH, INC. - IL |
| 618-249 | IRVINGTON, IL | CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
| 618-250 | Collinsville, IL | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 618 Area Code Information | ||
|---|---|---|
| Type of code: | General Purpose Code | |
| Location: | IL - US | |
| Time zone: | C | |
| Assigned for use: | Yes | |
| Code in service: | Yes | |
| Service date: | 01/01/47 | |
| In jeopardy: | No | |
| Relief in progress: | No | |
| NPA Relief status: | ||
| Code assignable: | Yes | |
| Geographic or non-geographic: |
G | |
| Reserved for future use: | No | |
| Planning letter(s): | 595 556 544 | |
| Overlay code: | Yes | |
| Overlay complex: | 618/730 | |
| Dialing plan | Standard | Permissive |
| Home local calls: | 10D | 1+10D |
| Foreign local calls: | 10D | 1+10D |
| Home toll calls: | 1+10D | NA |
| Foreign toll calls: | 1+10D | - |
1+10 digit permissible at service provider discretion.