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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
319-204 3 Mount Pleasant IA DVNPIADTGMD  634   2021-03-13   
319-204 4 Mount Pleasant IA DVNPIADTGMD  634   2021-03-13   
319-204 5 Mount Pleasant IA DVNPIADTGMD  634   2021-03-13   
319-205 1 Mount Vernon IA CDRRIADTKMD  635   2021-01-16   
319-205 2 Mount Vernon IA CDRRIADTKMD  635   2019-09-19   
319-205 3 Mount Vernon IA CDRRIADTKMD  635   2021-01-16   
319-205 4 Mount Vernon IA CDRRIADTKMD  635   2021-01-16   
319-205 6 Mount Vernon IA CDRRIADTKMD  635   2021-03-14   
319-205 8 Mount Vernon IA CDRRIADTKMD  635   2021-03-14   
319-209 9 Burlington IA DVNPIADTGMD  634   2017-09-18   
319-212 5 Columbus Junction IA DVNPIADTGMD  634   2021-03-13   
319-212 6 Columbus Junction IA DVNPIADTGMD  634   2021-03-13   
319-214 6 Vinton IA CDRRIADTKMD  635   2012-12-14   
319-214 7 Vinton IA CDRRIADTKMD  635   2008-03-01   
319-214 8 Vinton IA CDRRIADTKMD  635   2012-12-14   
319-219 4 Mount Pleasant IA DVNPIADTGMD  634   2020-11-16   
319-219 5 Mount Pleasant IA DVNPIADTGMD  634   2020-06-27   
319-219 6 Mount Pleasant IA DVNPIADTGMD  634   2020-11-16   
319-219 7 Mount Pleasant IA DVNPIADTGMD  634   2020-10-05   
319-219 8 Mount Pleasant IA DVNPIADTGMD  634   2020-10-05   
319-220 0 Central City IA CDRRIADTKMD  635   2017-12-30   
319-220 3 Central City IA CDRRIADTKMD  635   2019-09-19   
319-220 4 Central City IA CDRRIADTKMD  635   2019-09-19   
319-220 5 Central City IA CDRRIADTKMD  635   2020-05-15   
319-220 6 Central City IA CDRRIADTKMD  635   2020-05-15   
319-220 8 Central City IA CDRRIADTKMD  635   2021-03-14   
319-224 8 Troy Mills IA CDRRIADTKMD  635   2020-06-26   
319-229 7 Waterloo IA CDRRIADTKMD  635   2014-11-07   
319-237 7 Burlington IA DVNPIADTGMD  634   2013-04-04   
319-238 A Oelwein IA CDRRIADTKMD  635      
319-238 4 Oelwein IA CDRRIADTKMD  635   2019-05-11   
319-238 7 Oelwein IA CDRRIADTKMD  635   2008-03-01   
319-242 7 Cedar Falls IA CDRRIADTKMD  635   2008-03-01   
319-243 1 Cedar Falls IA CDRRIADTKMD  635   2012-12-13   
319-243 6 Cedar Falls IA CDRRIADTKMD  635   2012-12-13   
319-243 7 Cedar Falls IA CDRRIADTKMD  635   2012-12-13   
319-245 3 Grundy Center IA CDRRIADTKMD  635   2021-05-07   
319-246 4 Fort Madison IA DVNPIADTGMD  634   2012-12-13   
319-246 5 Fort Madison IA DVNPIADTGMD  634   2012-12-13   
319-246 6 Fort Madison IA DVNPIADTGMD  634   2012-12-13   
319-246 7 Fort Madison IA DVNPIADTGMD  634   2008-02-28   
319-246 8 Fort Madison IA DVNPIADTGMD  634   2012-12-13   
319-249 0 Cedar Rapids IA CDRRIADTKMD  635   2017-06-22   
319-249 2 Cedar Rapids IA CDRRIADTKMD  635   2017-09-18   
319-250 A Fort Madison IA DVNPIADTGMD  634      
319-250 2 Fort Madison IA DVNPIADTGMD  634   2016-03-14   
319-250 5 Fort Madison IA DVNPIADTGMD  634   2017-06-22   
319-250 6 Fort Madison IA DVNPIADTGMD  634   2019-05-11   
319-250 7 Fort Madison IA DVNPIADTGMD  634   2016-03-14   
319-250 8 Fort Madison IA DVNPIADTGMD  634   2014-06-30   

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 >>

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.