USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (312) XXX-XXXX / Page 3

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.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.

Phone numbers +1 (312) XXX-XXXX

Other pages: 12356789
Company District Major City Prefix
American Messaging (am)CookChicago, IL+1 (312) 457-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 458-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 460-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 461-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 462-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 463-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 464-XXXX
Us Xchange Of Illinois LLC DBA Choice One Comm IlCookChicago, IL+1 (312) 465-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 466-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 467-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 469-XXXX
Mcimetro Access Transmission Services LLCCookChicago, IL+1 (312) 470-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 472-XXXX
Ymax Communications Corp.Chicago, IL+1 (312) 473-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 474-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 475-XXXX
United States Cellular Corp. - IllinoisCookChicago, IL+1 (312) 476-XXXX
Halo Wireless, IncChicago, IL+1 (312) 477-XXXX
Cook+1 (312) 478-XXXX
AT&T LocalCookChicago, IL+1 (312) 479-XXXX
New Cingular Wireless PCSCookChicago, IL+1 (312) 480-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 482-XXXX
Usa Mobility WirelessCookChicago, IL+1 (312) 484-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 485-XXXX
Mci Worldcom CommunicationsCookChicago, IL+1 (312) 486-XXXX
Pg Telecom Of Illinois Inc.Chicago, IL+1 (312) 488-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 489-XXXX
Usa Mobility WirelessCookChicago, IL+1 (312) 490-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 491-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 492-XXXX
T-mobile UsaCookChicago, IL+1 (312) 493-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 494-XXXX
Usa Mobility WirelessCookChicago, IL+1 (312) 495-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 496-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 497-XXXX
Sprint Spectrum L.p.CookChicago, IL+1 (312) 498-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 499-XXXX
Cellco Partnership DBA Verizon WirelessCookLa Grange Park, IL+1 (312) 501-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 502-XXXX
Broadwing CommunicationsCookChicago, IL+1 (312) 503-XXXX
New Cingular Wireless PCSCookChicago, IL+1 (312) 504-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 505-XXXX
Cimco CommunicationsCookChicago, IL+1 (312) 506-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 507-XXXX
New Cingular Wireless PCSDu PageHinsdale, IL+1 (312) 510-XXXX
Usa Mobility WirelessCookChicago, IL+1 (312) 512-XXXX
New Cingular Wireless PCSCookChicago, IL+1 (312) 513-XXXX
American Messaging (am)CookChicago, IL+1 (312) 514-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 515-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 516-XXXX
New Cingular Wireless PCSCookWheeling, IL+1 (312) 518-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 519-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 520-XXXX
AT&T LocalCookChicago, IL+1 (312) 521-XXXX
Sprint Spectrum L.p.CookChicago, IL+1 (312) 523-XXXX
New Cingular Wireless PCSCookWheeling, IL+1 (312) 524-XXXX
Mcimetro Access Transmission Services LLCCookChicago, IL+1 (312) 525-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 526-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 527-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 528-XXXX
AT&T LocalCookChicago, IL+1 (312) 529-XXXX
Usa Mobility WirelessCookChicago, IL+1 (312) 530-XXXX
New Cingular Wireless PCSDu PageHinsdale, IL+1 (312) 531-XXXX
T-mobile UsaCookChicago, IL+1 (312) 532-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 533-XXXX
Ameritech IllinoisChicago, IL+1 (312) 534-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 537-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 540-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 541-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 542-XXXX
New Cingular Wireless PCSCookChicago, IL+1 (312) 543-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 544-XXXX
Sprint Spectrum L.p.CookChicago, IL+1 (312) 545-XXXX
Level 3 CommunicationsCookChicago, IL+1 (312) 546-XXXX
New Cingular Wireless PCSCookChicago, IL+1 (312) 547-XXXX
Broadwing CommunicationsChicago, IL+1 (312) 548-XXXX
Cellco Partnership DBA Verizon WirelessCookChicago, IL+1 (312) 550-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 551-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 552-XXXX
Ameritech IllinoisCookChicago, IL+1 (312) 553-XXXX