Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: BURGILAHGT3

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
312-351 0 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 1 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 2 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 3 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 4 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 5 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-351 9 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-352 A Hinsdale IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-352 0 Hinsdale IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-361 4 Chicago Zone 01-Monroe IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-361 7 Chicago Zone 01-Monroe IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-366 A Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-366 0 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 1 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 4 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 5 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 6 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-366 7 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-366 8 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-366 9 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-369 A Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-369 0 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-369 9 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-384 9 Chicago Zone 01-Franklin IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-385 0 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-385 9 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-391 A Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-401 A Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 A Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 0 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 1 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 2 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 3 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 4 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 5 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 6 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 7 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 8 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-402 9 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-06-23   
312-420 A Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-428 0 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
312-428 1 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
312-428 8 Chicago Zone 01-Wabash IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
312-439 A Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-439 0 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-01-12   
312-439 1 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-01-12   
312-439 2 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-01-12   
312-439 3 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-01-12   
312-439 4 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-01-12   
312-439 5 Chicago Zone 01-Calumet IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-01-12   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 >>

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.