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.

Switch: BILXMSEDDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-212 A Biloxi MS 6031 AMERICAN MOBILPHONE PAGING, INC. 484      
228-385 A Biloxi MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 484      
228-388 A Biloxi MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 484      
228-594 A Biloxi MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 484      
228-604 A Gulfport MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 484      
228-896 A Gulfport MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 484      
228-897 A Gulfport MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 484      

Last updated: Sat, 09 Mar 2019 02:16:03 UTC

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