Database of North America’s phone numbers
Database of North America’s
phone numbers

Telephone Area 312. .

Phone numbers of the state Illinois
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

Other pages: 23456789
Company District Major City Prefix
Ameritech IllinoisCookChicago, IL+1-312201-SSSS
Ameritech IllinoisCookChicago, IL+1-312202-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312203-SSSS
Ameritech IllinoisCookChicago, IL+1-312204-SSSS
Allegiance TelecomCookChicago, IL+1-312205-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312206-SSSS
Ameritech IllinoisCookChicago, IL+1-312207-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312208-SSSS
Cellco Partnership DBA Verizon WirelessCookNorthbrook, IL+1-312209-SSSS
CookChicago, IL+1-312210-SSSS
Ameritech IllinoisCookChicago, IL+1-312212-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312213-SSSS
Ameritech IllinoisCookChicago, IL+1-312214-SSSS
New Cingular Wireless PCSCookWheeling, IL+1-312215-SSSS
Cook+1-312216-SSSS
United States Cellular Corp. - IllinoisCookChicago, IL+1-312217-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312218-SSSS
Ameritech IllinoisCookChicago, IL+1-312220-SSSS
Sprint Spectrum L.p.Cook+1-312221-SSSS
Ameritech IllinoisCookChicago, IL+1-312222-SSSS
Ameritech IllinoisCookChicago, IL+1-312223-SSSS
Broadwing CommunicationsCookChicago, IL+1-312224-SSSS
Ameritech IllinoisCookChicago, IL+1-312225-SSSS
Ameritech IllinoisCookChicago, IL+1-312226-SSSS
Ameritech IllinoisChicago, IL+1-312227-SSSS
Ameritech IllinoisCookChicago, IL+1-312228-SSSS
Ameritech IllinoisCookChicago, IL+1-312229-SSSS
Ameritech IllinoisCookChicago, IL+1-312230-SSSS
New Cingular Wireless PCSDu PageRoselle, IL+1-312231-SSSS
American Messaging (am)CookChicago, IL+1-312232-SSSS
Ameritech IllinoisCookChicago, IL+1-312233-SSSS
Ameritech IllinoisCookChicago, IL+1-312234-SSSS
Ameritech IllinoisCookChicago, IL+1-312235-SSSS
Ameritech IllinoisCookChicago, IL+1-312236-SSSS
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1-312237-SSSS
Broadwing CommunicationsCookChicago, IL+1-312238-SSSS
AT&T LocalCookChicago, IL+1-312239-SSSS
Ameritech IllinoisCookChicago, IL+1-312240-SSSS
Cook+1-312241-SSSS
Teleport Communications Group - ChicagoCookChicago, IL+1-312242-SSSS
Ameritech IllinoisCookChicago, IL+1-312243-SSSS
Ameritech IllinoisCookChicago, IL+1-312244-SSSS
Ameritech IllinoisCookChicago, IL+1-312245-SSSS
New Cingular Wireless PCSCookWheeling, IL+1-312246-SSSS
Globalcom-ilCookChicago, IL+1-312247-SSSS
Usa Mobility WirelessCookChicago, IL+1-312249-SSSS
Usa Mobility WirelessCookChicago, IL+1-312250-SSSS
Ameritech IllinoisCookChicago, IL+1-312251-SSSS
Allegiance TelecomCookChicago, IL+1-312252-SSSS
Allegiance TelecomCookChicago, IL+1-312253-SSSS
Allegiance TelecomCookChicago, IL+1-312254-SSSS
Ameritech IllinoisCookChicago, IL+1-312255-SSSS
Allegiance TelecomCookChicago, IL+1-312256-SSSS
Ameritech IllinoisCookChicago, IL+1-312258-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312259-SSSS
Mcimetro Access Transmission Services LLCCookChicago, IL+1-312260-SSSS
Broadwing CommunicationsCookChicago, IL+1-312261-SSSS
Allegiance TelecomCookChicago, IL+1-312262-SSSS
Ameritech IllinoisCookChicago, IL+1-312263-SSSS
Broadwing CommunicationsCookChicago, IL+1-312264-SSSS
Access OneCookChicago, IL+1-312265-SSSS
Ameritech IllinoisCookChicago, IL+1-312266-SSSS
Ameritech IllinoisCookChicago, IL+1-312267-SSSS
Broadwing CommunicationsCookChicago, IL+1-312268-SSSS
Ameritech IllinoisCookChicago, IL+1-312269-SSSS
Usa Mobility WirelessCookChicago, IL+1-312271-SSSS
Usa Mobility WirelessCookChicago, IL+1-312272-SSSS
Ameritech IllinoisCookChicago, IL+1-312274-SSSS
Allegiance TelecomCookChicago, IL+1-312275-SSSS
Allegiance TelecomCookChicago, IL+1-312276-SSSS
Allegiance TelecomCookChicago, IL+1-312277-SSSS
Broadwing CommunicationsCookChicago, IL+1-312278-SSSS
Mcimetro Access Transmission Services LLCCookChicago, IL+1-312279-SSSS
Ameritech IllinoisCookChicago, IL+1-312280-SSSS
Global Crossing Local Services-ilCookChicago, IL+1-312281-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312282-SSSS
Global Crossing Local Services-ilCookChicago, IL+1-312283-SSSS
Xo IllinoisCookChicago, IL+1-312284-SSSS
Sprint Spectrum L.p.CookChicago, IL+1-312285-SSSS
New Cingular Wireless PCSCookChicago, IL+1-312286-SSSS