Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 5917 FIRST COMMUNICATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
312-447 8 Chicago Zone 01-Wabash IL CHCGILAEDS3  358   2008-04-03   
312-476 8 Chicago Zone 01-Calumet IL CHCGILAEDS3  358   2009-09-16   
312-506 A Chicago Zone 01-Franklin IL CHCGIL24DS7  358      
312-506 0 Chicago Zone 01-Franklin IL CHCGIL24DS7  358   2004-07-15   
312-506 1 Chicago Zone 01-Franklin IL CHCGIL24DS7  358   2004-07-15   
312-506 2 Chicago Zone 01-Franklin IL CHCGIL24DS7  358   2004-07-15   
312-506 3 Chicago Zone 01-Franklin IL CHCGIL24DS7  358   2004-07-15   
312-506 4 Chicago Zone 01-Franklin IL CHCGILAEDS3  358   2008-04-03   
312-506 6 Chicago Zone 01-Franklin IL CHCGIL24DS7  358   2004-07-15   
312-506 9 Chicago Zone 01-Franklin IL CHCGIL24DS7  358   2004-07-15   
312-564 A Chicago Zone 01-Calumet IL CHCGILAEDS3  358      
312-564 0 Chicago Zone 01-Calumet IL CHCGILAEDS3  358   2007-01-04   
312-564 1 Chicago Zone 01-Calumet IL CHCGILAEDS3  358   2007-01-04   
312-564 2 Chicago Zone 01-Calumet IL CHCGILAEDS3  358   2007-01-04   
312-564 3 Chicago Zone 01-Calumet IL CHCGILAEDS3  358   2007-01-04   
312-564 6 Chicago Zone 01-Calumet IL CHCGILAEDS3  358   2007-01-04   
312-564 9 Chicago Zone 01-Calumet IL CHCGILAEDS3  358   2007-01-04   
312-568 2 Chicago Zone 01-Canal IL CHCGIL24DS7  358   2005-11-17   
312-568 3 Chicago Zone 01-Canal IL CHCGIL24DS7  358   2005-11-17   
312-582 1 Chicago Zone 01-Wabash IL CHCGILAEDS3  358   2009-03-03   
312-884 3 Chicago Zone 01-Franklin IL CHCGILAEDS3  358   2000-03-23   
312-884 4 Chicago Zone 01-Franklin IL CHCGILAEDS3  358   2000-03-23   
312-912 6 Chicago Zone 01-Canal IL CHCGIL24DS7  358   2010-10-15   
331-457 6 Naperville IL CHCGIL24DS7  358   2010-04-03   
331-551 5 Lombard IL CHCGIL24DS7  358   2010-01-29   
331-642 6 Elmhurst IL CHCGIL24DS7  358   2010-04-09   
630-210 3 Naperville IL CHCGIL24DS7  358   2011-02-11   
630-230 2 Hinsdale IL CHCGIL24DS7  358   2005-07-25   
630-242 7 Hinsdale IL CHCGILAEDS3  358      
630-246 5 Bartlett IL CHCGILAEDS3  358   2007-06-07   
630-256 7 Aurora IL CHCGIL24DS7  358   2010-01-28   
630-261 6 Lombard IL CHCGIL24DS7  358   2005-11-09   
630-303 5 Naperville IL CHCGIL24DS7  358   2005-09-29   
630-315 1 Wheaton IL CHCGIL24DS7  358   2011-11-11   
630-315 6 Wheaton IL CHCGIL24DS7  358   2011-11-03   
630-315 8 Wheaton IL CHCGIL24DS7  358   2007-09-07   
630-348 3 Glen Ellyn IL CHCGIL24DS7  358   2004-07-15   
630-352 5 Naperville IL CHCGILAEDS3  358   2008-07-20   
630-354 6 Bensenville IL CHCGILAEDS3  358   2007-06-07   
630-359 6 Elmhurst IL CHCGILAEDS3  358   2007-06-07   
630-364 7 Naperville IL CHCGIL24DS7  358   2004-07-15   
630-366 2 Hinsdale IL CHCGIL24DS7  358   2004-07-15   
630-383 0 Oswego IL CHCGIL24DS7  358   2007-03-11   
630-384 6 Wheaton IL CHCGIL24DS7  358   2005-11-05   
630-397 6 Geneva IL CHCGILAEDS3  358   2008-11-01   
630-397 7 Geneva IL CHCGILAEDS3  358   2008-11-01   
630-402 2 Geneva IL CHCGIL24DS7  358   2010-01-28   
630-409 2 Sugar Grove IL CHCGIL24DS7  358   2005-12-17   
630-426 2 Lombard IL CHCGIL24DS7  358   2011-02-21   
630-432 6 Downers Grove IL CHCGIL24DS7  358   2010-04-26   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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