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.

NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

<< 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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-655 1 Farson IA FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 2 Farson IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-655 3 Farson IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-655 4 Farson IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-655 5 Farson IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-655 6 Farson IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-31   
641-655 7 Farson IA FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 8 Farson IA FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 9 Farson IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-656 A Milton IA MLTNIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-656 0 Milton IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-656 1 Milton IA MLTNIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-656 2 Milton IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-656 3 Milton IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-656 4 Milton IA MLTNIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-656 5 Milton IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-656 6 Milton IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-656 7 Milton IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-24   
641-656 8 Milton IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-23   
641-656 9 Milton IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2020-06-23   
641-657 A Hampton IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-01   
641-657 0 Hampton IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-12-30   
641-657 1 Hampton IA   6529 T-MOBILE USA, INC. 632   2025-02-16   
641-657 2 Hampton IA   6529 T-MOBILE USA, INC. 632   2025-02-16   
641-657 3 Hampton IA   6529 T-MOBILE USA, INC. 632   2025-06-14   
641-657 4 Hampton IA   6529 T-MOBILE USA, INC. 632   2025-08-24   
641-657 5 Hampton IA   6529 T-MOBILE USA, INC. 632   2025-08-24   
641-657 7 Hampton IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-01   
641-657 8 Hampton IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-01   
641-657 9 Hampton IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-01   
641-658 A Cincinnati IA CNCNIAXORS6  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-658 0 Cincinnati IA CNCNIAXORS6  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-658 1 Cincinnati IA CNCNIAXORS6  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-658 2 Cincinnati IA CNCNIAXORS6  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-658 3 Cincinnati IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2020-06-23   
641-658 4 Cincinnati IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-658 5 Cincinnati IA CNCNIAXORS6  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-658 6 Cincinnati IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
641-658 7 Cincinnati IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-16   
641-658 8 Cincinnati IA CNCNIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632   2012-02-27   
641-658 9 Cincinnati IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-659 A Grinnell IA GRNLIAXCPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-659 0 Grinnell IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2022-05-05   
641-659 1 Grinnell IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2022-05-05   
641-659 2 Grinnell IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2022-05-05   
641-659 3 Grinnell IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2022-05-05   
641-659 4 Grinnell IA GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-08-30   
641-659 5 Grinnell IA GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-08-30   
641-659 6 Grinnell IA OSKLIA14DS0  916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2021-03-26   
641-659 7 Grinnell IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2022-02-18   

<< 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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.