Local Calling Guide

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Waterloo, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-799 A EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-904 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-904 0   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-904 1   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-904 2 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238      
410-904 3   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-904 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-904 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-904 7 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-904 8   145J TERRA NOVA TELECOM INC. 238      
410-904 9 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-284 A   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 2   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 3   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 5   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 6   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 7   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-296 A BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-296 0   876D ONVOY, LLC - MD 238      
443-296 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-296 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-296 4 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-296 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-296 6 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-296 7 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-296 8 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-296 9 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-620 A CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-620 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-620 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-620 2 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-620 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-620 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-620 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-620 6 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-620 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-620 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-620 9 CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-661 A HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-661 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-661 1 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-661 2   515J IP HORIZON LLC 238      
443-661 3 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-661 4 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-661 5 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-661 7 BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-661 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-661 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-733 A CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-733 0 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-733 1 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-733 2 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-733 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-733 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-733 5 PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
443-733 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-733 7   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-733 8   515J IP HORIZON LLC 238      
443-733 9 CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-737 A BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-737 0 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-737 1 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-737 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-737 3   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-737 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-737 5   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-737 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-737 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-737 8   515J IP HORIZON LLC 238      
443-737 9 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-755 A EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 0 EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 1 EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 2 BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-755 3 BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238      
443-755 4 BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-755 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-755 6   321J HD CARRIER LLC 238      
443-755 7   321J HD CARRIER LLC 238      
443-755 8 EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 9 EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-899 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-899 0 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
443-899 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-899 2 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
443-899 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-899 4 BLTMMDCHX7X  073H TELNYX LLC 238      
443-899 5   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-899 6   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-899 7 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-899 8 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-899 9 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-374 A BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-374 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-374 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-374 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-374 6 BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-374 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-374 8 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-374 9 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      

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

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