FCC Registration Number

FRN 0004339321

CORES registration

Connected companies

CompanyRelationshipSourceConfidence
XO Maryland, LLCregistrantFORM499100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(415) 901-3816Melissa Waksman XO Communications service_agentFORM49995.0%
(888) 575-6398XO Maryland, LLC customer_inquiriesFORM499100.0%

FCC Form 499 filers

Current as ofFiler IDLegal name
2002-04-01818036XO Maryland, LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
FORM499818036:400692XO Maryland, LLC00043393212026-08-05 15:48:24
FORM499818036:400693XO Maryland, LLC00043393212026-08-05 15:48:24
FORM499818036:400691XO Maryland, LLC00043393212026-08-05 15:48:24
FORM499818036:400694XO Maryland, LLC00043393212026-08-05 15:48:24
FORM499818036:345046XO Maryland, LLC00043393212026-08-04 23:18:22
FORM499818036:345047XO Maryland, LLC00043393212026-08-04 23:18:22
FORM499818036:345044XO Maryland, LLC00043393212026-08-04 23:18:22
FORM499818036:345045XO Maryland, LLC00043393212026-08-04 23:18:22
FORM499818036:289399XO Maryland, LLC00043393212026-08-04 00:48:19
FORM499818036:289398XO Maryland, LLC00043393212026-08-04 00:48:19
FORM499818036:289397XO Maryland, LLC00043393212026-08-04 00:48:19
FORM499818036:289400XO Maryland, LLC00043393212026-08-04 00:48:19
FORM499818036:178106XO Maryland, LLC00043393212026-08-01 21:48:10
FORM499818036:178104XO Maryland, LLC00043393212026-08-01 21:48:10
FORM499818036:178105XO Maryland, LLC00043393212026-08-01 21:48:10
FORM499818036:178103XO Maryland, LLC00043393212026-08-01 21:48:10
FORM499818036XO Maryland, LLC00043393212026-07-31 23:48:05
FORM4997028XO Maryland, LLC00043393212026-07-31 22:18:05

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