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.

Annapolis, MD

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-212 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 4 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-212 8 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-212 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-216 A ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-216 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-31   
410-216 1 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2015-06-06   
410-216 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-12-21   
410-216 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2015-04-17   
410-216 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-04   
410-216 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-07-30   
410-216 6 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-216 7 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-216 8 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-216 9 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-224 A PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-263 A ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-266 A PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-267 A ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 0 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 1 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 2 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-267 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-267 5 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 6 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 7 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 8 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-267 9 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-268 A ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-271 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-279 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-280 A ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 0 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 1 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 2 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 3 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 4 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 5 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 6 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-09   
410-280 8 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-280 9 ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-293 A   829J PAETEC ITEL, LLC 238   2025-04-01   
410-295 A ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
410-320 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 4 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-320 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-349 A STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 0 STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 1 STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 2 STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 3 STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 4 STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 5 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-349 6 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
410-349 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-02-03   
410-349 8 STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-349 9 STMRMDSMRS1  9212 VERIZON MARYLAND, INC. 238      
410-353 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-507 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-533 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 1 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 3 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 4 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 5 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 6 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 7 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 9 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-570 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-571 A PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-571 0 PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-571 1 PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-571 2 PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-571 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2012-06-01   
410-571 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-03-16   
410-571 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-571 6 PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-571 7 PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-571 8 PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-571 9 PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      

1 2 3 4 5 6 7 8 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.