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.

Decatur, IL

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-201 A DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 0 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 1 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 2 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 3 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 4 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 5 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 6 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 7 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 8 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-201 9 DCTRILATGMD  6529 T-MOBILE USA, INC. 374      
217-233 A SPFDILGI6MD  829J PAETEC ITEL, LLC 374   2024-12-10   
217-329 A SPFDILGI6MD  829J PAETEC ITEL, LLC 374   2024-12-10   
217-329 0 SPFDILGI6MD  829J PAETEC ITEL, LLC 374      
217-329 1 SPFDILGI6MD  829J PAETEC ITEL, LLC 374      
217-329 2 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2010-02-27   
217-329 3 SPFDILGI6MD  829J PAETEC ITEL, LLC 374      
217-329 4 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2010-05-05   
217-329 5 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2010-06-18   
217-329 6 SPFDILGI6MD  829J PAETEC ITEL, LLC 374      
217-329 7 SPFDILGI6MD  829J PAETEC ITEL, LLC 374      
217-329 8 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2011-02-26   
217-329 9 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2011-09-02   
217-330 A SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2024-03-02   
217-330 0 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2011-06-04   
217-330 1   145J TERRA NOVA TELECOM INC. 374   2023-11-13   
217-330 2 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2014-10-04   
217-330 3 SPFDILESXSX  145J TERRA NOVA TELECOM INC. 374   2024-05-26   
217-330 4 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2017-11-06   
217-330 5 SPFDILES0MD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 374   2006-05-26   
217-330 6 SPFDILESXVX  318J COMCAST IP PHONE, LLC 374   2006-08-09   
217-330 7 SPFDILESXVX  318J COMCAST IP PHONE, LLC 374   2006-08-09   
217-330 8 SPFDILESXVX  318J COMCAST IP PHONE, LLC 374   2006-08-09   
217-330 9 SPFDILESXVX  318J COMCAST IP PHONE, LLC 374   2006-08-09   
217-358 A DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-358 0 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-358 1 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-358 2 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-358 3 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2007-01-28   
217-358 4 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2008-02-12   
217-358 5 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2008-02-12   
217-358 6 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2007-08-20   
217-358 7 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2010-10-01   
217-358 8 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2010-01-04   
217-358 9 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2008-11-20   
217-362 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 0 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 1 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 2 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 3 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 4 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2023-04-09   
217-362 5 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 6 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 7 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 8 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-362 9 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-412 A DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-413 A DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-413 0 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-413 1 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-413 2 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2011-06-13   
217-413 3 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2017-11-06   
217-413 4 SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2015-10-23   
217-413 5 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2012-02-06   
217-413 6 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2012-04-11   
217-413 7 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-413 8 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-413 9 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374      
217-420 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 0 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2015-09-12   
217-420 1 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 2 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 3 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 4 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 5 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 6 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 7 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 8 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-420 9 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-421 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-422 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-423 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-424 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-425 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-428 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-429 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-433 A SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374      
217-450 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 0 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 1 DCTRILDCX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2011-02-05   
217-450 2 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 3 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 4 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 5 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 6 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 7 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2013-03-14   
217-450 8 DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-450 9 SPFDILES7MD  224C ONVOY, LLC 374   2018-01-22   
217-451 A DCTRILDCDS0  9329 ILLINOIS BELL TEL CO 374      
217-451 0 SPFDILESDS3  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2015-10-24   

1 2 3 4 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.