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.

Laurel, MD

<< 1 2 3 4 5 6 7

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-875 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-04-24   
301-875 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-04-24   
301-875 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-04-24   
301-875 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-04-24   
301-875 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-04-24   
301-957 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-957 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-01-01   
301-957 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-21   
301-957 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-957 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-957 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-01   
301-957 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-01   
301-957 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-21   
301-957 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-957 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-05-02   
301-957 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-974 A LNHMMDADGT0  8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-974 0   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-974 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-08-07   
301-974 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-08-07   
301-974 3   829J PAETEC ITEL, LLC 236   2006-05-04   
301-974 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-08-07   
301-974 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-02-15   
301-974 6   829J PAETEC ITEL, LLC 236   2006-04-26   
301-974 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-02-15   
301-974 8   8832 STARPOWER COMMUNICATIONS, LLC - MD 236      
301-974 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-02-15   

<< 1 2 3 4 5 6 7

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.