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.

NPA: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]

1 2 3 4 5 6 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-200 A Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 0 Washington Zone 2 MD OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
227-200 1 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 2 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 3 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 4 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 5 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 6 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 7 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 8 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-200 9 Washington Zone 2 MD BTVLMD18GT6  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-201 A Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 0 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 1 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 2 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 3 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 4 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 5 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 6 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 7 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 8 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-201 9 Myersville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
227-202 A Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 0 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 1 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 2 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 3 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 4 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 5 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 6 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 7 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 8 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-202 9 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-203 A Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
227-203 0 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
227-203 1 Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
227-203 2 Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
227-203 3 Frederick MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
227-203 4 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
227-203 5 Frederick MD CMLDMDCMUMD  073H TELNYX LLC 240      
227-203 6 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
227-203 7 Frederick MD   876D ONVOY, LLC - MD 240      
227-203 8 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
227-203 9 Frederick MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240      
227-204 A Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-204 0 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-204 1 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-204 2 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-204 3 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-204 4 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-204 5 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
227-204 6 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-204 7 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-204 8 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-204 9 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-205 A Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-205 0 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
227-205 1 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
227-205 2 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
227-205 3 Washington Zone 4 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-205 4 Washington Zone 4 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-205 5 Washington Zone 4 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-205 6 Washington Zone 4 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-205 7 Washington Zone 4 MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-205 8 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-205 9 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-206 A Washington Zone 5 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-206 0 Washington Zone 5 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-206 1 Washington Zone 5 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-206 2 Washington Zone 5 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-206 3 Washington Zone 5 MD SLSPMD913MD  939H COMMIO, LLC 236      
227-206 4 Washington Zone 5 MD   876D ONVOY, LLC - MD 236      
227-206 5 Washington Zone 5 MD   876D ONVOY, LLC - MD 236      
227-206 6 Washington Zone 5 MD   876D ONVOY, LLC - MD 236      
227-206 7 Washington Zone 5 MD   876D ONVOY, LLC - MD 236      
227-206 8 Washington Zone 5 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-206 9 Washington Zone 5 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-207 A Bittinger MD HGTWMD539MD  939H COMMIO, LLC 240      
227-207 0 Bittinger MD HGTWMD539MD  939H COMMIO, LLC 240      
227-207 1 Bittinger MD HGTWMD539MD  939H COMMIO, LLC 240      
227-207 2 Bittinger MD HGTWMD539MD  939H COMMIO, LLC 240      
227-207 3 Bittinger MD HGTWMD539MD  939H COMMIO, LLC 240      
227-207 4 Bittinger MD HGTWMD539MD  939H COMMIO, LLC 240      
227-208 A Flintstone MD HGTWMD539MD  939H COMMIO, LLC 240      
227-208 0 Flintstone MD HGTWMD539MD  939H COMMIO, LLC 240      
227-208 1 Flintstone MD HGTWMD539MD  939H COMMIO, LLC 240      
227-208 2 Flintstone MD HGTWMD539MD  939H COMMIO, LLC 240      
227-208 3 Flintstone MD HGTWMD539MD  939H COMMIO, LLC 240      
227-208 4 Flintstone MD HGTWMD539MD  939H COMMIO, LLC 240      
227-209 A Grantsville MD HGTWMD539MD  939H COMMIO, LLC 240      
227-209 0 Grantsville MD HGTWMD539MD  939H COMMIO, LLC 240      
227-209 1 Grantsville MD HGTWMD539MD  939H COMMIO, LLC 240      
227-209 2 Grantsville MD HGTWMD539MD  939H COMMIO, LLC 240      
227-209 3 Grantsville MD HGTWMD539MD  939H COMMIO, LLC 240      
227-209 4 Grantsville MD HGTWMD539MD  939H COMMIO, LLC 240      
227-210 A McCoole MD HGTWMD539MD  939H COMMIO, LLC 240      
227-210 0 McCoole MD HGTWMD539MD  939H COMMIO, LLC 240      
227-210 1 McCoole MD HGTWMD539MD  939H COMMIO, LLC 240      
227-210 2 McCoole MD HGTWMD539MD  939H COMMIO, LLC 240      
227-210 3 McCoole MD HGTWMD539MD  939H COMMIO, LLC 240      

1 2 3 4 5 6 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.