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: 543C ONVOY, LLCV - MI

<< 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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
810-273 A Goodrich MI SFLDMITODS2  340      
810-273 3 Goodrich MI SFLDMITODS2  340   2021-08-16   
810-273 4 Goodrich MI SFLDMITODS2  340   2021-08-16   
810-276 5 Port Huron MI SFLDMITODS2  340   2023-08-13   
810-276 6 Port Huron MI SFLDMITODS2  340   2023-08-13   
810-276 7 Port Huron MI SFLDMITODS2  340   2023-08-13   
810-277 3 Lapeer MI SFLDMITODS2  340   2016-03-21   
810-277 9 Lapeer MI SFLDMITODS2  340   2016-03-21   
810-278 9 Algonac MI SFLDMITODS2  340   2012-12-28   
810-279 3 Hartland MI SFLDMITODS2  340   2016-03-28   
810-279 4 Hartland MI SFLDMITODS2  340   2016-03-28   
810-283 A Jeddo MI SFLDMITODS2  340      
810-283 3 Jeddo MI SFLDMITODS2  340   2021-08-16   
810-283 4 Jeddo MI SFLDMITODS2  340   2021-08-16   
810-284 A Lapeer MI SFLDMITODS2  340      
810-284 4 Lapeer MI SFLDMITODS2  340   2021-08-16   
810-284 5 Lapeer MI SFLDMITODS2  340   2021-08-16   
810-284 6 Lapeer MI SFLDMITODS2  340   2021-08-16   
810-284 7 Lapeer MI SFLDMITODS2  340   2021-08-16   
810-285 7 Flint MI SFLDMITODS2  340   2016-01-07   
810-286 A North Branch MI SFLDMITODS2  340      
810-286 3 North Branch MI SFLDMITODS2  340   2023-07-21   
810-286 4 North Branch MI SFLDMITODS2  340   2022-12-29   
810-286 6 North Branch MI SFLDMITODS2  340   2021-08-16   
810-286 7 North Branch MI SFLDMITODS2  340   2021-08-16   
810-289 0 St Clair MI SFLDMITODS2  340   2019-03-23   
810-289 1 St Clair MI SFLDMITODS2  340   2019-03-23   
810-289 4 St Clair MI SFLDMITODS2  340   2016-03-28   
810-289 5 St Clair MI SFLDMITODS2  340   2016-03-28   
810-292 3 Port Huron MI SFLDMITODS2  340   2012-10-13   
810-306 2 Brighton MI SFLDMITODS2  340   2023-07-21   
810-310 4 Capac MI SFLDMITODS2  340   2016-02-24   
810-310 5 Capac MI SFLDMITODS2  340   2016-02-24   
810-314 A Port Huron MI SFLDMITODS2  340      
810-314 4 Port Huron MI SFLDMITODS2  340   2021-08-16   
810-314 5 Port Huron MI SFLDMITODS2  340   2021-08-16   
810-314 6 Port Huron MI SFLDMITODS2  340   2021-08-16   
810-314 7 Port Huron MI SFLDMITODS2  340   2021-08-16   
810-318 A Lapeer MI SFLDMITODS2  340      
810-318 2 Lapeer MI SFLDMITODS2  340   2023-08-25   
810-319 A Rankin MI SFLDMITODS2  340      
810-319 2 Rankin MI SFLDMITODS2  340   2023-08-25   
810-320 2 Port Huron MI SFLDMITODS2  340   2021-06-18   
810-320 8 Port Huron MI SFLDMITODS2  340   2021-06-18   
810-320 9 Port Huron MI SFLDMITODS2  340   2021-06-18   
810-321 0 Jeddo MI SFLDMITODS2  340   2020-05-08   
810-321 1 Jeddo MI SFLDMITODS2  340   2017-12-30   
810-321 4 Jeddo MI SFLDMITODS2  340   2020-05-08   
810-321 5 Jeddo MI SFLDMITODS2  340   2020-05-08   
810-321 8 Jeddo MI SFLDMITODS2  340   2019-03-23   

<< 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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.