Active Prefixes in Area Code 201
Prefix |
Primary City |
Usage |
Company |
815-901-#### |
DeKalb |
Landline Numbers |
Comcast Phone Of Ill... |
815-902-#### |
Lyndon |
Landline Numbers |
Mediacom Telephony O... |
815-903-#### |
McHenry |
Landline Numbers |
American Messaging (... |
815-904-#### |
Rockford |
Wireless Numbers |
New Cingular Wireles... |
815-905-#### |
Lockport |
Landline Numbers |
Level 3 Communicatio... |
815-906-#### |
Dixon |
Landline Numbers |
Mediacom Telephony O... |
815-907-#### |
Manteno |
Landline Numbers |
Broadwing Communicat... |
815-908-#### |
Freeport |
Landline Numbers |
Sprint Communication... |
815-909-#### |
DeKalb |
Wireless Numbers |
T-mobile Usa, Inc.... |
815-910-#### |
Mendota |
Landline Numbers |
Illinois Valley Cell... |
815-912-#### |
Belvidere |
Landline Numbers |
Aero North Communica... |
815-913-#### |
Joliet |
Landline Numbers |
Sprint Communication... |
815-914-#### |
Rockford |
Wireless Numbers |
Sprint Spectrum L.p.... |
815-915-#### |
Coal City |
Landline Numbers |
Level 3 Communicatio... |
815-916-#### |
Minooka |
Wireless Numbers |
Nextel Communication... |
815-917-#### |
Rochelle |
Landline Numbers |
Essex Telcom, Inc.... |
815-918-#### |
Clifton |
Landline Numbers |
Level 3 Communicatio... |
815-919-#### |
Joliet |
Wireless Numbers |
T-mobile Usa, Inc.... |
815-920-#### |
Cornell |
Landline Numbers |
Mediacom Telephony O... |
815-921-#### |
Rockford |
Landline Numbers |
Ameritech Illinois... |
815-922-#### |
Kankakee |
Wireless Numbers |
Cellco Partnership D... |
815-923-#### |
Union |
Landline Numbers |
Ameritech Illinois... |
815-924-#### |
Prophetstown |
Landline Numbers |
Essex Telcom, Inc.... |
815-925-#### |
Hennepin |
Landline Numbers |
Frontier North, Inc.... |
815-926-#### |
Wilmington |
Landline Numbers |
Broadwing Communicat... |
815-927-#### |
Joliet |
Landline Numbers |
Broadwing Communicat... |
815-928-#### |
Kankakee |
Landline Numbers |
Ameritech Illinois... |
815-929-#### |
Kankakee |
Landline Numbers |
Ameritech Illinois... |
815-930-#### |
Elizabeth |
Landline Numbers |
Sprint Communication... |
815-931-#### |
Joliet |
Wireless Numbers |
New Cingular Wireles... |