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.

NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-439 7 Royal Oak MI SFLDMITOJMD  961J WOW! INTERNET, CABLE AND PHONE 340   2007-09-03   
248-439 8 Royal Oak MI SFLDMITOJMD  961J WOW! INTERNET, CABLE AND PHONE 340   2007-09-03   
248-439 9 Royal Oak MI SFLDMITOJMD  961J WOW! INTERNET, CABLE AND PHONE 340   2007-09-03   
248-440 A Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 0 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 1 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 2 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 3 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 4 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 5 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 6 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 7 Southfield MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2011-01-31   
248-440 8 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-440 9 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
248-441 A Auburn Heights MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
248-442 A Farmington MI FRTNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-443 A Southfield MI SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-444 A Northville MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
248-445 A Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-445 0 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 1 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 2 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 3 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 4 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-445 5 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 6 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 7 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 8 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 9 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2012-07-19   
248-446 A South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 0 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 1 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 2 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 3 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 4 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 5 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 6 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 7 South Lyon MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2020-07-10   
248-446 8 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-446 9 South Lyon MI SLYNMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-447 A Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 A Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 0 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 1 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340   2008-09-19   
248-448 2 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 3 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 4 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 5 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 6 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 7 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 8 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 9 Southfield MI SFLDMIDNDS5  9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
248-449 A Northville MI NRVLMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-450 A Southfield MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
248-450 0 Southfield MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-01-18   
248-450 1 Southfield MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-10-11   
248-450 2 Southfield MI SFLDMIMKNMD  460K FIRST COMMUNICATIONS, LLC 340   2015-08-01   
248-450 3 Southfield MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2017-03-10   
248-450 4 Southfield MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2018-10-15   
248-450 5 Southfield MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-10-08   
248-450 6 Southfield MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-10-08   
248-450 7 Southfield MI DTRTMIBASMD  516C AT&T CORP. 340   2017-01-13   
248-450 8 Southfield MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2018-10-19   
248-450 9 Southfield MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-07-24   
248-451 A Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 A Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 0 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 1 Pontiac MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2011-06-05   
248-452 2 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 3 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 4 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 5 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 6 Pontiac MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2007-11-13   
248-452 7 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 8 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-452 9 Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-453 A Rochester MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-453 0 Rochester MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-453 1 Rochester MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-11-14   
248-453 2 Rochester MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-18   
248-453 3 Rochester MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-10-10   
248-453 4 Rochester MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-06-08   
248-453 5 Rochester MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2005-03-23   
248-453 6 Rochester MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-18   
248-453 7 Rochester MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-18   
248-453 8 Rochester MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-453 9 Rochester MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-11-14   
248-454 A Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-455 A Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 0 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 1 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 2 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 3 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 4 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 5 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 6 Southfield MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-06-17   
248-455 7 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 8 Southfield MI SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 9 Southfield MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-10-11   
248-456 A Pontiac MI PNTCMIMNDS0  9323 MICHIGAN BELL TEL CO 340      

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.