Prefix 215-383 — Philadelphia Zone 1, PA

NANPA CO code assignment, current as of July 28, 2026.

Area code
215
Prefix (NXX)
383
Rate center
Philadelphia Zone 1
State
Pennsylvania
Time zone
Eastern
Code holder
PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA
OCN
967E
Pooled
Yes (thousands-block pooling)
Assigned
2008-03-13
LATA
228

215-383 identifies a block of numbers in Philadelphia Zone 1, PA, within the 215 area code. Every US prefix is tied to exactly one rate center; this one is Philadelphia Zone 1.

The rate center lies in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area. The serving LATA is 228. Local time follows the Eastern zone.

Treat the on-screen number as a hint, not evidence — 215-383 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

The assigned code holder is PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA, operating company number 967E, assigned March 13, 2008. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

Neighboring prefixes

Prefixes adjacent to 215-383
PrefixRate centerCode holder
215-380 Philadelphia Zone 1 NEW CINGULAR WIRELESS PCS, LLC - DC
215-381 Philadelphia Zone 3 VERIZON PENNSYLVANIA, INC.
215-382 Philadelphia Zone 2 VERIZON PENNSYLVANIA, INC.
215-384 Philadelphia Zone 2 PAETEC ITEL, LLC
215-385 Philadelphia Suburban Zone 39 AT&T - LOCAL
215-386 Philadelphia Zone 2 VERIZON PENNSYLVANIA, INC.

FAQ

Where is 215-383 located?

The prefix is assigned to the Philadelphia Zone 1 rate center in PA, area code 215. It is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area.

Which company owns 215-383 numbers?

PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.

Is a call from 215-383 safe to answer?

The prefix itself says nothing about the caller. Legitimate Philadelphia Zone 1 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.