Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Washington Zone 15 (Baltimore LATA), MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
227-888 A BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238      
227-888 0   876D ONVOY, LLC - MD 238      
227-888 1   876D ONVOY, LLC - MD 238      
227-888 2 BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238      
227-888 3   568G PEERLESS NETWORK OF MARYLAND, LLC 238      
227-888 4 BLTMMDCH42Z  624H ONVOY SPECTRUM, LLC 238      
227-888 5 BLTMMDCH42Z  624H ONVOY SPECTRUM, LLC 238      
227-888 6   876D ONVOY, LLC - MD 238      
227-888 7   321J HD CARRIER LLC 238      
227-888 8 BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238      
227-888 9   876D ONVOY, LLC - MD 238      
240-759 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-759 0 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
240-759 1 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
240-759 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-759 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-759 4 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
240-759 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-759 6 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
240-759 7 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
240-759 8   876D ONVOY, LLC - MD 238      
240-759 9 BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
240-763 A BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
240-763 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
240-763 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-763 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-763 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-763 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-763 5 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
240-763 6 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
240-763 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-763 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
240-763 9 BLTMMDCHX7X  073H TELNYX LLC 238      
301-327 A BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
301-327 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
301-327 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
301-327 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
301-327 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
301-327 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
301-327 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
301-327 6 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-327 7 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-327 8 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-327 9 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-494 A PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
301-494 0 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
301-494 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
301-494 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
301-494 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
301-494 4 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-494 5 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-494 6 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
301-494 7 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-494 8 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
301-494 9 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
301-812 A NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-812 0 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-812 1 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-812 2 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-812 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
301-812 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
301-812 5 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
301-812 6 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-812 7 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
301-812 8 BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
301-812 9 HRNDVACKAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
301-855 A NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 0 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 1 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
301-855 2 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 3 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 4 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 5 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 6 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 7 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 8 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 9 PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      

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

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