FRONTIER COMMUNICATIONS NORTHWEST INC. - WA (OCN 4423) • Carrier Lookup

Home / Carriers / FRONTIER COMMUNICATIONS NORTHWEST INC. - WA

FRONTIER COMMUNICATIONS NORTHWEST INC. - WA

Operating Company Number (OCN): 4423

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
WA	360	267	GRAYHARBCO	Prefix
WA	360	268	GRAYHARBCO	Prefix
WA	360	312	WHATCOMCTY	Prefix
WA	360	318	WHATCOMCTY	Prefix
WA	360	332	WHATCOMCTY	Prefix
WA	360	336	MT VERNON	Prefix
WA	360	354	WHATCOMCTY	Prefix
WA	360	366	WHATCOMCTY	Prefix
WA	360	371	WHATCOMCTY	Prefix
WA	360	380	WHATCOMCTY	Prefix
WA	360	383	WHATCOMCTY	Prefix
WA	360	384	WHATCOMCTY	Prefix
WA	360	398	WHATCOMCTY	Prefix
WA	360	416	MT VERNON	Prefix
WA	360	419	MT VERNON	Prefix
WA	360	422	MT VERNON	Prefix
WA	360	424	MT VERNON	Prefix
WA	360	428	MT VERNON	Prefix
WA	360	429	MT VERNON	Prefix
WA	360	445	MT VERNON	Prefix
WA	360	466	MT VERNON	Prefix
WA	360	592	WHATCOMCTY	Prefix
WA	360	595	WHATCOMCTY	Prefix
WA	360	599	WHATCOMCTY	Prefix
WA	360	617	WHATCOMCTY	Prefix
WA	360	707	MT VERNON	Prefix
WA	360	724	MT VERNON	Prefix
WA	360	757	MT VERNON	Prefix
WA	360	766	MT VERNON	Prefix
WA	360	826	MT VERNON	Prefix
WA	360	848	MT VERNON	Prefix
WA	360	853	MT VERNON	Prefix
WA	360	854	MT VERNON	Prefix
WA	360	856	MT VERNON	Prefix
WA	360	873	MT VERNON	Prefix
WA	360	966	WHATCOMCTY	Prefix
WA	360	988	WHATCOMCTY	Prefix
WA	509	223	LOOMIS	Prefix
WA	509	485	MOLSON	Prefix
WA	509	486	TONASKET	Prefix
WA	509	653	NACHES	Prefix
WA	509	658	NILE	Prefix
WA	509	775	REPUBLIC	Prefix
WA	509	779	CURLEW	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

Light theme (AdSense-ready).