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.

Iowa City, IA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-400 6 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2005-10-29   
319-400 7 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-400 8 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2006-09-11   
319-400 9 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2008-03-17   
319-402 A CDRRIADTXMX  318J COMCAST IP PHONE, LLC 635      
319-402 0 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 1 CDRRIADTXMX  318J COMCAST IP PHONE, LLC 635   2023-06-11   
319-402 2 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 3 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 4 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 5 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 6 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 7 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 8 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-402 9 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2023-08-11   
319-430 A CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-466 A IWCYIATCDS0  9631 QWEST CORPORATION 635      
319-467 A IWCYIATCDS0  9631 QWEST CORPORATION 635      
319-471 A WTRLIA767MD  6529 T-MOBILE USA, INC. 635      
319-471 0 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-03-16   
319-471 1 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2006-08-31   
319-471 2 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2007-11-12   
319-471 3 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2007-04-14   
319-471 4 CDRRIADTDMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2007-05-16   
319-471 5 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2007-11-29   
319-471 6 WTRLIA767MD  6529 T-MOBILE USA, INC. 635   2007-04-27   
319-471 7 WTRLIA767MD  6529 T-MOBILE USA, INC. 635   2007-04-27   
319-471 8 WTRLIA767MD  6529 T-MOBILE USA, INC. 635   2006-11-09   
319-471 9   939H COMMIO, LLC 635   2024-03-01   
319-485 A   829J PAETEC ITEL, LLC 635      
319-485 0   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 1   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 2   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 3   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 4   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 5   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 6   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 7   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 8   829J PAETEC ITEL, LLC 635   2024-04-19   
319-485 9   829J PAETEC ITEL, LLC 635   2024-04-19   
319-492 A   221F ONVOY, LLC - IA 635   2024-08-09   
319-492 0   221F ONVOY, LLC - IA 635   2024-08-09   
319-492 1   221F ONVOY, LLC - IA 635   2024-08-09   
319-492 7   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2024-09-27   
319-492 8   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2024-08-10   
319-492 9   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2024-11-25   
319-499 A IWCYIA784MD  6529 T-MOBILE USA, INC. 635      
319-499 0   6529 T-MOBILE USA, INC. 635   2011-05-23   
319-499 1   593K MCC TELEPHONY LLC 635   2011-05-25   
319-499 2 IWCYIA784MD  6529 T-MOBILE USA, INC. 635   2012-03-18   
319-499 3 IWCYIA784MD  6529 T-MOBILE USA, INC. 635   2012-11-01   
319-499 4 CDRRIADTDMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2014-04-03   
319-499 5 CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2015-02-16   
319-499 6 CDRRIADTUMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635   2012-05-01   
319-499 7 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2015-05-15   
319-499 8 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2013-08-30   
319-499 9 CDRRIAAXQMD  444G AUREON COMMUNICATIONS, LLC 635   2012-08-16   
319-512 A CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-512 0 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-512 1 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-512 2 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-07-10   
319-512 3 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2016-09-11   
319-512 4 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2016-09-11   
319-512 5 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-09-14   
319-512 6 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-09-14   
319-512 7 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2008-03-01   
319-512 8 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2007-05-03   
319-512 9 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2007-05-03   
319-519 A IWCYIA70DS0  423H AIRUS, INC - IA 635      
319-519 0 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-07   
319-519 1 IWCYIA70DS0  423H AIRUS, INC - IA 635   2014-12-13   
319-519 2   593K MCC TELEPHONY LLC 635   2016-07-11   
319-519 3 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2016-07-18   
319-519 4 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2016-04-07   
319-519 5 NLBTIAXODS1  562E SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA 635   2016-10-01   
319-519 6 MARNIACODS0  695G IMON COMMUNICATIONS, LLC - IA 635   2016-08-07   
319-519 7 NLBTIAXODS1  562E SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA 635   2016-10-01   
319-519 8 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2017-06-22   
319-519 9 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2016-04-15   
319-530 A CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-541 A CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 0 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 1 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 2 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 3 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 4 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 5 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 6 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 7 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-541 8 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2006-12-02   
319-541 9 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-569 A   593K MCC TELEPHONY LLC 635      
319-569 0 IWCYIA70DS0  423H AIRUS, INC - IA 635   2017-08-12   
319-569 1   593K MCC TELEPHONY LLC 635   2017-07-29   
319-569 2   593K MCC TELEPHONY LLC 635   2018-04-01   
319-569 3 IWCYIA70DS0  423H AIRUS, INC - IA 635   2018-07-29   
319-569 4   593K MCC TELEPHONY LLC 635   2018-08-24   
319-569 5 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2019-09-21   
319-569 6 CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2019-03-30   
319-569 7 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2019-07-06   

<< 1 2 3 4 >>

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.