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.

Birmingham, MI

<< 1 2 3 4 5 6

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
947-284 1 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 2 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 3 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 4 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 5 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 6 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 7 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 8 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-284 9 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-01-23   
947-285 A   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-02-23   
947-285 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-28   
947-285 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-03-04   
947-285 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-02-23   
947-291 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-06-30   
947-291 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-06-30   
947-291 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-06-30   
947-291 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-06-30   
947-291 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-06-30   
947-334 A SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340      
947-334 0 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2022-11-05   
947-334 1 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2022-11-05   
947-334 2 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2022-11-05   
947-334 3 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-05-15   
947-334 4 LIVNMIUX3MD  5562 METROPCS, INC. 340   2022-10-13   
947-334 5 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-03-25   
947-334 6 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-06-18   
947-334 7 SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340   2022-03-27   
947-334 8 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2022-11-05   
947-334 9 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2022-12-03   
947-529 A SFLDMIMK8MD  965H FRACTEL, LLC 340      
947-529 0 LIVNMIUX3MD  5562 METROPCS, INC. 340   2022-11-24   
947-529 1 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-07-20   
947-529 2 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-01-05   
947-529 3 SFLDMIMK8MD  965H FRACTEL, LLC 340   2022-01-28   
947-529 4 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-01-05   
947-529 5 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-01-05   
947-529 6 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-05-15   
947-529 7 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-08-04   
947-529 8 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-02-07   
947-529 9 SFLDMIMK8MD  965H FRACTEL, LLC 340   2022-01-28   

<< 1 2 3 4 5 6

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.