Confidence: Medium · Source: FCC ULS · As of 2026-09-09

NP4EN

Active

Marrero Mendez, Edwin N

Location: Guaynabo, PR
Class: General
Granted: 2017-08-25
Expires: 2027-08-25
Previous call: WP4PVI
FRN: 0026730614

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Vanity availability

Held

Currently held

NP4EN is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

WP4PVIcancelled· T
Marrero - Mendez, Edwin NPRgranted 2017-08-03cancelled 2017-08-25

Prior holders later became

WW4Pexpired· E
NICHOLS, GAY MFLgranted 2000-06-30cancelled 2012-07-03

License history

0 events

No recorded events.

More vanity slots coming available

From Puerto Rico

All →

WP4TLD 2026-09-10
K5DTC 2026-09-14
WP4LKC 2026-09-14
KP4ECD 2026-09-16
WP3TU 2026-09-16

Starting with NP4

All →

NP4YZ PA · 2027-06-18
NP4ST PR · 2027-07-26
NP4AO MA · 2027-08-12
NP4HC PR · 2028-02-07
NP4ZJ PR · 2028-03-04

Full history → Vanity availability → Callsign genealogy →