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Area Codes > 815 > Central Office Codes

Exchange Rate Center State Operating Company
815-402 GALENA IL SPRINT COMMUNICATIONS COMPANY, L.P. - IL
815-403 MCHENRY IL SPRINT SPECTRUM L.P.
815-404 CRYSTAL LK IL SPRINT SPECTRUM L.P.
815-405 JOLIET IL NEXTEL COMMUNICATIONS, INC.
815-406 BYRON IL VERIZON NORTH INC.-IL
815-407 LOCKPORT IL AMERITECH ILLINOIS
815-408 UTICA IL GLOBALCOM, INC.-IL
815-409 JOLIET IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
815-410 LA SALLE IL LEVEL 3 COMMUNICATIONS, LLC - IL
815-411 IL
815-412 FRANKFORT IL BROADWING COMMUNICATIONS, LLC - IL
815-413 MORRIS IL GLOBALCOM, INC.-IL
815-414 EARLVILLE IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-415 SENECA IL AMERITECH ILLINOIS
815-416 MORRIS IL AMERITECH ILLINOIS
815-417 BRAIDWOOD IL AMERITECH ILLINOIS
815-418 MANHATTAN IL GLOBALCOM, INC.-IL
815-419 PONTIAC IL AT&T LOCAL
815-420 CRESTON IL ESSEX TELCOM, INC.
815-421 HERSCHER IL AMERITECH ILLINOIS
815-422 ST ANNE IL AMERITECH ILLINOIS
815-423 ELWOOD IL AMERITECH ILLINOIS
815-424 ELWOOD IL AMERITECH ILLINOIS
815-425 CRYSTAL LK IL BROADWING COMMUNICATIONS, LLC - IL
815-426 HERSCHER IL AMERITECH ILLINOIS
815-427 ST ANNE IL AMERITECH ILLINOIS
815-428 MARTINTON IL VERIZON NORTH INC.-IL
815-429 SHELDON IL VERIZON NORTH INC.-IL
815-430 MCHENRY IL GLOBALCOM, INC.-IL
815-431 OTTAWA IL AMERITECH ILLINOIS
815-432 WATSEKA IL AMERITECH ILLINOIS
815-433 OTTAWA IL AMERITECH ILLINOIS
815-434 OTTAWA IL AMERITECH ILLINOIS
815-435 BEAVERVL IL VERIZON NORTH INC.-IL
815-436 PLAINFIELD IL AMERITECH ILLINOIS
815-437 PUTNAM IL VERIZON NORTH INC.-IL (CONTEL)
815-438 TAMPICO IL CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
815-439 PLAINFIELD IL AMERITECH ILLINOIS
815-440 DIXON IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
815-441 STERLING IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
815-442 TONICA IL TONICA TELEPHONE CO.
815-443 PEARL CITY IL VERIZON NORTH INC.-IL (CONTEL)
815-444 CRYSTAL LK IL AMERITECH ILLINOIS
815-445 MANLIUS IL VERIZON NORTH INC.-IL
815-446 CEDARPOINT IL VERIZON NORTH INC.-IL (CONTEL)
815-447 DEPUE IL FRONTIER COMMUNICATIONS OF DEPUE, INC.
815-448 MAZON IL AMERITECH ILLINOIS
815-449 DAKOTA IL VERIZON NORTH INC.-IL (CONTEL)
815-450 MOMENCE IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-451 WOODSTOCK IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-452 TOLUCA IL VERIZON NORTH INC.-IL
815-453 ASHTON IL VERIZON NORTH INC.-IL (CONTEL)
815-454 SHEFFIELD IL VERIZON NORTH INC.-IL
815-455 CRYSTAL LK IL AMERITECH ILLINOIS
815-456 FRANKLIGRV IL VERIZON NORTH INC.-IL (CONTEL)
815-457 CISSNAPARK IL VERIZON SOUTH INC.-IL (ALLTEL)
815-458 BRAIDWOOD IL AMERITECH ILLINOIS
815-459 CRYSTAL LK IL AMERITECH ILLINOIS
815-460 JOLIET IL GLOBALCOM, INC.-IL
815-461 LOCKPORT IL BROADWING COMMUNICATIONS, LLC - IL
815-462 NEW LENOX IL AMERITECH ILLINOIS
815-463 NEW LENOX IL AMERITECH ILLINOIS
815-464 FRANKFORT IL AMERITECH ILLINOIS
815-465 GRANT PARK IL AMERITECH ILLINOIS
815-466 GRANT PARK IL AMERITECH ILLINOIS
815-467 MINOOKA IL AMERITECH ILLINOIS
815-468 MANTENO IL AMERITECH ILLINOIS
815-469 FRANKFORT IL AMERITECH ILLINOIS
815-470 ROCKFORD IL AMERITECH ILLINOIS
815-471 WATSEKA IL ILLINOIS VALLEY CELLULAR RSA 2-II PARTNERSHIP
815-472 MOMENCE IL AMERITECH ILLINOIS
815-473 WOODLAND IL VERIZON SOUTH INC.-IL (ALLTEL)
815-474 JOLIET IL NEW CINGULAR WIRELESS PCS, LLC - IL
815-475 PLATTVILLE IL AMERITECH ILLINOIS
815-476 WILMINGTON IL AMERITECH ILLINOIS
815-477 CRYSTAL LK IL AMERITECH ILLINOIS
815-478 MANHATTAN IL AMERITECH ILLINOIS
815-479 CRYSTAL LK IL AMERITECH ILLINOIS
815-480 ROCKFORD IL ARCH WIRELESS HOLDINGS, INC.
815-481 LA GRANGE IL ILLINOIS VALLEY CELLULAR RSA 2-I PARTNERSHIP
815-482 WOODSTOCK IL NEXTEL COMMUNICATIONS, INC.
815-483 JOLIET IL SPRINT SPECTRUM L.P.
815-484 ROCKFORD IL AMERITECH ILLINOIS
815-485 NEW LENOX IL AMERITECH ILLINOIS
815-486 DONOVAN IL VERIZON NORTH INC.-IL
815-487 PLAINFIELD IL GLOBALCOM, INC.-IL
815-488 LA GRANGE IL ILLINOIS VALLEY CELLULAR RSA 2-I PARTNERSHIP
815-489 ROCKFORD IL AMERITECH ILLINOIS
815-490 ROCKFORD IL AMERITECH ILLINOIS
815-491 JOLIET IL ARCH WIRELESS HOLDINGS, INC.
815-492 APPLERIVER IL VERIZON NORTH INC.-IL (CONTEL)
815-493 LANARK IL CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
815-494 ROCKFORD IL UNITED STATES CELLULAR CORP. - ILLINOIS
815-495 LELAND IL VERIZON NORTH INC.-IL
815-496 SHERIDAN IL VERIZON NORTH INC.-IL
815-497 COMPTON IL VERIZON NORTH INC.-IL
815-498 SOMONAUK IL VERIZON NORTH INC.-IL
815-499 STERLING IL UNITED STATES CELLULAR CORP. - ILLINOIS
815-500 MARSEILLES IL SPRINT COMMUNICATIONS COMPANY, L.P. - IL
815-501 DE KALB IL SPRINT SPECTRUM L.P.