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: GLPTMS54X6X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-254 3 Pass Christian MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2012-01-15   
228-265 A Gulfport MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484      
228-265 9 Gulfport MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2003-10-16   
228-280 3 Biloxi MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2014-05-01   
228-351 A Gulfport MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484      
228-351 9 Gulfport MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2014-04-29   
228-382 3 Ocean Springs MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2007-06-15   
228-456 3 Biloxi MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2006-12-06   
228-460 3 Moss Point MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2010-08-23   
228-463 3 Bay St Louis MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2015-01-09   
228-471 3 Pascagoula MS 4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 484   2006-12-06   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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