Local Calling Guide

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NPA: 947 [Rate centres in NPA 947] [Dial plan for NPA 947]

NXX: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-237 A Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2021-01-07   
947-237 2 Birmingham MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2021-01-07   
947-237 3 Birmingham MI   543C ONVOY, LLC - MI 340   2021-01-08   
947-237 4 Birmingham MI   543C ONVOY, LLC - MI 340   2021-01-08   
947-237 5 Birmingham MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2021-01-08   
947-237 6 Birmingham MI   543C ONVOY, LLC - MI 340   2021-01-08   
947-237 7 Birmingham MI   543C ONVOY, LLC - MI 340   2021-01-08   
947-237 8 Birmingham MI   543C ONVOY, LLC - MI 340   2021-01-08   
947-237 9 Birmingham MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2021-01-08   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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