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.

OCN: 221F ONVOY, LLC - IA

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-649 3 Little Sioux IA   644   2021-10-30   
712-649 6 Little Sioux IA   644   2021-05-21   
712-651 5 Bayard IA   644   2021-10-30   
712-651 6 Bayard IA   644   2021-05-21   
712-653 6 Manning IA   644   2021-05-21   
712-653 8 Manning IA   644   2021-10-30   
712-656 3 Lanesboro IA   630   2021-10-31   
712-656 5 Lanesboro IA   630   2021-05-05   
712-657 6 Lake View IA   644   2021-05-21   
712-657 7 Lake View IA   644   2021-10-30   
712-658 3 Halbur IA   644   2021-10-30   
712-658 5 Halbur IA   644   2021-05-21   
712-661 1 Early IA   644   2021-05-10   
712-661 2 Early IA   644   2021-04-23   
712-661 3 Early IA   644   2021-04-23   
712-661 6 Early IA   644   2018-11-17   
712-667 2 Ralston IA   644   2021-10-30   
712-667 6 Ralston IA   644   2021-05-21   
712-670 0 Sioux City IA   630   2024-04-15   
712-671 2 Shenandoah IA   644   2022-03-30   
712-671 3 Shenandoah IA   644   2022-03-30   
712-672 A Rockwell City IA RCCYIAXCHMD  630      
712-672 0 Rockwell City IA   630   2022-12-11   
712-672 2 Rockwell City IA   630   2021-10-16   
712-672 3 Rockwell City IA   630   2021-11-24   
712-672 7 Rockwell City IA   630   2021-05-03   
712-676 4 Schleswig IA   644   2021-10-31   
712-676 7 Schleswig IA   644   2021-05-21   
712-677 3 Vail IA   644   2021-10-31   
712-677 6 Vail IA   644   2021-05-21   
712-679 4 Ricketts IA   644   2021-10-30   
712-679 7 Ricketts IA   644   2021-05-21   
712-682 6 South Bigelow IA   620   2021-12-19   
712-683 3 Dedham IA   644   2021-10-30   
712-683 6 Dedham IA   644   2021-05-21   
712-684 4 Coon Rapids IA   644   2021-10-30   
712-684 6 Coon Rapids IA   644   2021-05-21   
712-688 4 Auburn IA   644   2021-10-30   
712-688 6 Auburn IA   644   2021-05-21   
712-693 1 Sac City IA   644   2021-05-10   
712-693 3 Sac City IA   644   2021-05-10   
712-693 6 Sac City IA   644   2018-11-17   
712-693 8 Sac City IA   644   2021-04-23   
712-693 9 Sac City IA   644   2021-04-23   
712-695 5 Clarinda IA   644   2021-05-10   
712-713 1 Council Bluffs IA   644   2023-08-11   
712-713 6 Council Bluffs IA   644   2023-08-11   
712-717 A Sioux City IA SXCYIADT9MD  630      
712-717 0 Sioux City IA   630   2019-05-11   
712-717 5 Sioux City IA   630   2019-07-25   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.