Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-221 4 Pontiac MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2013-09-30   
248-274 8 Oxford MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-03-12   
248-277 9 Northville MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-582 4 Royal Oak MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-05-18   
248-631 A Birmingham MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-631 0 Birmingham MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-631 1 Birmingham MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-631 2 Birmingham MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-631 5 Birmingham MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-648 A Pontiac MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-648 2 Pontiac MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-648 6 Pontiac MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-686 7 Birmingham MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-05-18   
248-823 0 Troy MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-984 0 Farmington MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2023-09-18   
248-984 1 Farmington MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2023-09-18   
248-984 2 Farmington MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2023-09-18   
248-984 3 Farmington MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2023-09-18   
248-984 4 Farmington MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2023-09-18   
313-351 A Detroit Zone 3 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-351 6 Detroit Zone 3 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2018-11-26   
313-360 A Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-360 7 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-12-17   
313-360 8 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-12-17   
313-360 9 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-12-17   
313-424 1 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-490 A Detroit Zone 6 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-490 6 Detroit Zone 6 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2022-05-10   
313-490 8 Detroit Zone 6 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-12-18   
313-490 9 Detroit Zone 6 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-12-18   
313-546 A Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-546 2 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-03   
313-546 3 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-03   
313-548 8 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2021-06-01   
313-591 7 Detroit Zone 3 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-12-14   
313-616 4 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2025-07-18   
313-633 2 Detroit Zone 6 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-669 4 Detroit Zone 5 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2022-04-05   
313-678 A Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 0 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 1 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 2 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 3 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 4 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 5 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 6 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 7 Detroit Zone 2 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-710 2 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-04-27   
313-710 3 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-04-27   
313-746 6 Detroit Zone 1 MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2022-05-23   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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