MCI WORLDCOM COMMUNICATIONS, INC. - MD (OCN 7228) • Carrier Lookup

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MCI WORLDCOM COMMUNICATIONS, INC. - MD

Operating Company Number (OCN): 7228

Is this carrier legit?

Carriers are telecom operating companies that own number blocks (NPA-NXX). A number showing this carrier does not guarantee the caller is that company — scam calls can spoof caller ID.

Number blocks (sample)

State	NPA	NXX	Rate center	Open
MD	240	341	BUCKEYSTN	Prefix
MD	240	402	WSNG236Z13	Prefix
MD	240	588	GRANTSVL	Prefix
MD	240	616	WSNG236Z13	Prefix
MD	240	619	WSHNGTNZN5	Prefix
MD	240	620	WSNGTNZN10	Prefix
MD	240	621	WSNGTNZN11	Prefix
MD	240	657	FROSTBURG	Prefix
MD	301	232	ASHTON236	Prefix
MD	301	250	GAITHERSBG	Prefix
MD	301	256	LAUREL236	Prefix
MD	301	272	WSHNGTNZN2	Prefix
MD	301	273	WSHNGTNZN3	Prefix
MD	301	276	WSHNGTNZN4	Prefix
MD	301	278	WSHNGTNZN5	Prefix
MD	301	281	WSHNGTNZN6	Prefix
MD	301	284	WSNGTNZN10	Prefix
MD	301	287	WSNGTNZN11	Prefix
MD	301	288	WSNGTNZN12	Prefix
MD	301	289	WSNG236Z13	Prefix
MD	301	291	WSNG236Z14	Prefix
MD	301	296	WSNGTNZN10	Prefix
MD	301	337	GAITHERSBG	Prefix
MD	301	348	WSNGTNZN11	Prefix
MD	301	364	WSHNGTNZN4	Prefix
MD	301	479	WSNG236Z13	Prefix
MD	301	712	FREDERICK	Prefix
MD	301	755	WSHNGTNZN3	Prefix
MD	301	778	WSHNGTNZN5	Prefix
MD	301	878	BALTIMORE	Prefix
MD	301	968	WSHNGTNZN2	Prefix
MD	410	200	EASTON	Prefix
MD	410	246	BALTIMORE	Prefix
MD	410	314	ARBUTUS	Prefix
MD	410	317	ARGRGBSNIS	Prefix
MD	410	401	BRYNPKLNCM	Prefix
MD	410	402	CATONSVL	Prefix
MD	410	403	COCKEYSVL	Prefix
MD	410	406	ESSEX	Prefix
MD	410	412	GLENBURNIE	Prefix
MD	410	413	PIKESVILLE	Prefix
MD	410	454	BALTIMORE	Prefix
MD	410	487	GLENBURNIE	Prefix
MD	410	567	ELKRIDGE	Prefix
MD	410	600	BERLIN	Prefix
MD	410	616	TOWSON	Prefix
MD	410	622	BALTIMORE	Prefix
MD	410	630	CHASE	Prefix
MD	410	645	WOODLAWN	Prefix
MD	410	650	DUNDALK	Prefix
MD	410	657	PARKVILLE	Prefix
MD	410	670	EDGEWOOD	Prefix
MD	410	696	ELLICOTTCY	Prefix
MD	410	697	MILLERSVL	Prefix
MD	410	698	FORK	Prefix
MD	410	701	RANDALLSTN	Prefix
MD	410	702	REISTERSTN	Prefix
MD	410	704	TOWSON	Prefix
MD	410	709	SPARROWSPT	Prefix
MD	410	753	PIKESVILLE	Prefix
MD	410	774	CROFTON	Prefix
MD	410	777	SEVERNA PK	Prefix
MD	410	786	WOODLAWN	Prefix
MD	410	801	BALTIMORE	Prefix
MD	410	842	TOWSON	Prefix
MD	410	846	SEVERN	Prefix
MD	410	864	BALTIMORE	Prefix
MD	410	874	ODENTON	Prefix
MD	410	878	BALTIMORE	Prefix
MD	410	881	SHERWD FOR	Prefix
MD	410	891	COCKEYSVL	Prefix
MD	410	904	WATERLO238	Prefix
MD	410	907	WOODLAWN	Prefix
MD	410	910	COLUMBIA	Prefix
MD	410	919	ANNAPOLIS	Prefix
MD	410	949	BALTIMORE	Prefix
MD	410	970	SYKESVILLE	Prefix
MD	443	224	BALTIMORE	Prefix
MD	443	261	SEVERNA PK	Prefix
MD	443	289	WESTMINSTR	Prefix
MD	443	446	QUEENSTOWN	Prefix
MD	443	475	BALTIMORE	Prefix
MD	443	741	COLUMBIA	Prefix
MD	443	931	BALTIMORE	Prefix
MD	667	259	REISTERSTN	Prefix
MD	667	313	PIKESVILLE	Prefix

Showing up to 2,000 blocks (cap for performance).

SEO keywords covered

carrier lookup • operating company number • ocn lookup • who owns this number • npa nxx • rate center

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