Prefix 215-255 — Philadelphia Zone 1, PA

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

Area code
215
Prefix (NXX)
255
Rate center
Philadelphia Zone 1
State
Pennsylvania
Time zone
Eastern
Code holder
VERIZON PENNSYLVANIA, INC.
OCN
9208
Pooled
Yes (thousands-block pooling)
LATA
228

215-255 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 — 215-255 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.

Code-holder of record: VERIZON PENNSYLVANIA, INC. (OCN 9208). The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 215-255 numbers may be served by different companies.

Neighboring prefixes

Prefixes adjacent to 215-255
PrefixRate centerCode holder
215-252 Philadelphia Zone 2 TELEPORT COMMUNICATIONS AMERICA, LLC - PA
215-253 Philadelphia Zone 1 LEVEL 3 COMMUNICATIONS, LLC - PA
215-254 Philadelphia Zone 3 TELEPORT COMMUNICATIONS AMERICA, LLC - PA
215-256 Harleysville VERIZON PENNSYLVANIA, INC.
215-257 Perkasie VERIZON PENNSYLVANIA, INC.
215-258 Perkasie VERIZON PENNSYLVANIA, INC.

FAQ

Where is 215-255 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 215-255 numbers?

VERIZON PENNSYLVANIA, INC. 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 215-255 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.