Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-206 A Towson MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
667-206 0 Towson MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-09-22   
667-206 1 Towson MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2015-10-15   
667-206 2 Towson MD   318J COMCAST IP PHONE, LLC 238   2016-12-12   
667-206 3 Towson MD   876D ONVOY, LLC - MD 238   2016-01-11   
667-206 4 Towson MD   318J COMCAST IP PHONE, LLC 238   2014-08-31   
667-206 5 Towson MD   876D ONVOY, LLC - MD 238   2014-10-11   
667-206 6 Towson MD   876D ONVOY, LLC - MD 238   2014-10-11   
667-206 7 Towson MD   515J IP HORIZON LLC 238   2016-01-04   
667-206 8 Towson MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-12-27   
667-206 9 Towson MD   5562 METROPCS, INC. 238   2013-09-14   

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

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