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Area Codes > 217 > Central Office Codes

Exchange Rate Center State Operating Company
217-967 WESTFIELD IL VERIZON SOUTH INC.-IL (ALLTEL)
217-968 GREENVIEW IL CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
217-970 SHELBYVL IL AERO COMMUNICATIONS, INC. - IL
217-971 SPRINGFLD IL NEW CINGULAR WIRELESS PCS, LLC - IL
217-972 DECATUR IL NEW CINGULAR WIRELESS PCS, LLC - IL
217-974 CHAMPAURBN IL TELEPORT COMMUNICATIONS GROUP - CHICAGO
217-975 MATTOON IL CELLULAR PROPERTIES, INC.
217-976 IL
217-978 EMDEN IL LEVEL 3 COMMUNICATIONS, LLC - IL
217-979 CHAMPAURBN IL NEW CINGULAR WIRELESS PCS, LLC - IL
217-980 NAUVOO IL SPRINT COMMUNICATIONS COMPANY, L.P. - IL
217-982 PITTSFIELD IL TMP CORP.
217-983 ELDRED IL VERIZON NORTH INC.-IL
217-984 MDLTNNWHLD IL LEVEL 3 COMMUNICATIONS, LLC - IL
217-985 LIMA IL ADAMS TELEPHONE COOPERATIVE
217-987 POTOMAC IL VERIZON SOUTH INC.-IL (ALLTEL)
217-989 DALLASCITY IL SPRINT COMMUNICATIONS COMPANY, L.P. - IL
217-993 SPRINGFLD IL TELEPORT COMMUNICATIONS GROUP - CHICAGO
217-994 EFFINGHAM IL AERO COMMUNICATIONS, INC. - IL
217-997 ARENZVILLE IL FRONTIER COMMUNICATIONS OF MIDLAND, INC.
217-999 MOUNTOLIVE IL CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL