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.

OCN: 6630 USA MOBILITY WIRELESS, INC.

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
979-228 A Bryan-College Station TX BRYNTXCU1MD  570      
979-424 A Clute-Lake Jackson TX SGLDTXAQ0MD  560      
979-753 A Brenham TX SGLDTXAQ0MD  560      
985-699 A Slidell LA LARSLAXA0MD  490      
985-743 A Houma LA LARSLAXA0MD  490      
985-744 A Hammond LA LARSLAXA0MD  490      
985-786 A Covington LA LARSLAXA0MD  490      
985-890 A Houma LA LARSLAXA0MD  490      
989-253 A Saginaw MI SGNWMIACDS1  344      
989-454 A Midland MI SGNWMIACDS1  344      
989-591 A Alpena MI SGNWMIACDS1  344      
989-594 A Gaylord MI SGNWMIACDS1  344      
989-829 A Owosso MI SGNWMIACDS1  344      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.