Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-321 A Jeddo MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340      
810-321 0 Jeddo MI   543C ONVOY, LLCV - MI 340   2020-05-08   
810-321 1 Jeddo MI   543C ONVOY, LLCV - MI 340   2017-12-30   
810-321 2 Jeddo MI   318J COMCAST IP PHONE, LLC 340   2016-11-18   
810-321 3 Jeddo MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-07-21   
810-321 4 Jeddo MI   543C ONVOY, LLCV - MI 340   2020-05-08   
810-321 5 Jeddo MI   543C ONVOY, LLCV - MI 340   2020-05-08   
810-321 6 Jeddo MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2016-04-08   
810-321 7 Jeddo MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-03-21   
810-321 8 Jeddo MI   543C ONVOY, LLCV - MI 340   2019-03-23   
810-321 9 Jeddo MI   543C ONVOY, LLCV - MI 340   2019-03-23   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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