Telephone Area 312. Page 6.
Prefix: +1312
This prefix is distributed within the state Illinois
The largest city in the region is Chicago
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
Below on the map, there is indicated the largest city in the telephone area +1-312-...-.... Illinois Chicago.
Phone numbers +1-312-YYY-YYYY
Company | District | Major City | Prefix |
---|---|---|---|
Ameritech Illinois | Cook | Chicago, IL | +1-312742-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312743-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312744-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312745-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312746-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312747-SSSS |
Usa Mobility Wireless | Cook | Chicago, IL | +1-312748-SSSS |
New Cingular Wireless PCS | Du Page | Hinsdale, IL | +1-312749-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312750-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312751-SSSS |
Broadwing Communications | Cook | Chicago, IL | +1-312752-SSSS |
Rcn Telecom Services Of Illinois | Cook | Chicago, IL | +1-312753-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312755-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312756-SSSS |
Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-312758-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312759-SSSS |
American Messaging (am) | Cook | Chicago, IL | +1-312760-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312762-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312765-SSSS |
Cook | +1-312766-SSSS | ||
AT&T Local | Cook | Chicago, IL | +1-312768-SSSS |
Indiana Paging Ntwk | Cook | Chicago, IL | +1-312769-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312770-SSSS |
Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-312771-SSSS |
Denali Spectrum License | Chicago, IL | +1-312772-SSSS | |
Ameritech Illinois | Cook | Chicago, IL | +1-312775-SSSS |
Teleport Communications Group - Chicago | Cook | Chicago, IL | +1-312777-SSSS |
Mci Worldcom Communications | Cook | Chicago, IL | +1-312780-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312781-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312782-SSSS |
Globalcom-il | Chicago, IL | +1-312784-SSSS | |
+1-312785-SSSS | |||
Ameritech Illinois | Cook | Chicago, IL | +1-312786-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312787-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312788-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312789-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312790-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312791-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312793-SSSS |
Rcn Telecom Services Of Illinois | Cook | Chicago, IL | +1-312794-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312795-SSSS |
Cook | +1-312796-SSSS | ||
Ameritech Illinois | Cook | Chicago, IL | +1-312797-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312798-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312799-SSSS |
Cook | +1-312801-SSSS | ||
Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-312802-SSSS |
Mci Worldcom Communications | Cook | Chicago, IL | +1-312803-SSSS |
T-mobile Usa | Cook | Chicago, IL | +1-312804-SSSS |
Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-312805-SSSS |
New Cingular Wireless PCS | Cook | Chicago, IL | +1-312806-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312807-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312808-SSSS |
New Cingular Wireless PCS | Cook | Chicago, IL | +1-312810-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312812-SSSS |
New Cingular Wireless PCS | Cook | Chicago, IL | +1-312813-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312814-SSSS |
New Cingular Wireless PCS | Du Page | Hinsdale, IL | +1-312816-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312817-SSSS |
Cook | +1-312818-SSSS | ||
Ameritech Illinois | Cook | Chicago, IL | +1-312819-SSSS |
Usa Mobility Wireless | Cook | Chicago, IL | +1-312820-SSSS |
Mci Worldcom Communications | Cook | Chicago, IL | +1-312821-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312822-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312823-SSSS |
Cook | +1-312824-SSSS | ||
Cook | +1-312825-SSSS | ||
Cook | +1-312826-SSSS | ||
Ameritech Illinois | Cook | Chicago, IL | +1-312827-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312828-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312829-SSSS |
Usa Mobility Wireless | Cook | Chicago, IL | +1-312830-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312831-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312832-SSSS |
Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-312833-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312834-SSSS |
Cellco Partnership DBA Verizon Wireless | Cook | Chicago, IL | +1-312835-SSSS |
Ameritech Illinois | Cook | Chicago, IL | +1-312836-SSSS |
Usa Mobility Wireless | Cook | Chicago, IL | +1-312837-SSSS |
American Messaging (am) | Cook | Chicago, IL | +1-312839-SSSS |