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.
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Switch: BLTMMDCHXFX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-922 9 Edgewood MD 318J COMCAST IP PHONE, LLC 238      
443-937 6 Union Bridge MD 318J COMCAST IP PHONE, LLC 238      
443-946 1 Parkville MD 318J COMCAST IP PHONE, LLC 238      
443-948 5 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
443-949 A Annapolis MD 318J COMCAST IP PHONE, LLC 238      
443-949 0 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
443-949 7 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
443-949 8 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
443-949 9 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
443-952 7 Westminster MD 318J COMCAST IP PHONE, LLC 238      
443-960 4 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238      
443-961 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
443-961 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
443-963 1 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
443-964 4 North Beach MD 318J COMCAST IP PHONE, LLC 238      
443-964 5 North Beach MD 318J COMCAST IP PHONE, LLC 238      
443-964 6 North Beach MD 318J COMCAST IP PHONE, LLC 238      
443-964 8 North Beach MD 318J COMCAST IP PHONE, LLC 238      
443-968 2 Prince Frederick MD 318J COMCAST IP PHONE, LLC 238      
443-968 8 Prince Frederick MD 318J COMCAST IP PHONE, LLC 238      
443-968 9 Prince Frederick MD 318J COMCAST IP PHONE, LLC 238      
443-969 2 Essex MD 318J COMCAST IP PHONE, LLC 238      
443-969 4 Essex MD 318J COMCAST IP PHONE, LLC 238      
443-975 7 Prince Frederick MD 318J COMCAST IP PHONE, LLC 238      
443-979 7 Columbia MD 318J COMCAST IP PHONE, LLC 238      
443-981 3 Fallston MD 318J COMCAST IP PHONE, LLC 238      
443-991 4 Towson MD 318J COMCAST IP PHONE, LLC 238      
443-991 5 Towson MD 318J COMCAST IP PHONE, LLC 238      
667-200 5 Columbia MD 318J COMCAST IP PHONE, LLC 238      
667-204 2 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
667-205 1 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-206 2 Towson MD 318J COMCAST IP PHONE, LLC 238      
667-206 4 Towson MD 318J COMCAST IP PHONE, LLC 238      
667-210 2 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-212 2 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-212 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-212 4 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-212 5 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-215 A Elkton MD 318J COMCAST IP PHONE, LLC 238      
667-215 0 Elkton MD 318J COMCAST IP PHONE, LLC 238      
667-225 4 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
667-229 5 Aberdeen MD 318J COMCAST IP PHONE, LLC 236      
667-231 4 Aberdeen MD 318J COMCAST IP PHONE, LLC 236      
667-239 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-240 2 Columbia MD 318J COMCAST IP PHONE, LLC 238      
667-260 2 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-260 4 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-270 5 Annapolis MD 318J COMCAST IP PHONE, LLC 238      
667-303 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-307 4 Crofton MD 318J COMCAST IP PHONE, LLC 238      
667-308 2 Towson MD 318J COMCAST IP PHONE, LLC 238      
667-309 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-309 6 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-309 7 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-312 2 Baltimore MD 318J COMCAST IP PHONE, LLC 238      
667-314 3 Westminster MD 318J COMCAST IP PHONE, LLC 238      
667-340 6 Churchville MD 318J COMCAST IP PHONE, LLC 238      
667-363 0 Sherwood Forest MD 318J COMCAST IP PHONE, LLC 238      
667-367 2 Westminster MD 318J COMCAST IP PHONE, LLC 238      
667-394 2 New Windsor MD 318J COMCAST IP PHONE, LLC 238      
667-577 2 Elkton MD 318J COMCAST IP PHONE, LLC 238      
667-577 3 Elkton MD 318J COMCAST IP PHONE, LLC 238      
667-653 5 Brooklyn Park-Linthicum MD 318J COMCAST IP PHONE, LLC 238      
667-737 8 Perryville MD 318J COMCAST IP PHONE, LLC 238      
667-777 4 Severna Park MD 318J COMCAST IP PHONE, LLC 238      
667-802 5 Catonsville MD 318J COMCAST IP PHONE, LLC 238      
667-930 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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