Prefix 215-305 — Philadelphia Zone 4, PA

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

Area code
215
Prefix (NXX)
305
Rate center
Philadelphia Zone 4
State
Pennsylvania
Time zone
Eastern
Code holder
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Pooled
Yes (thousands-block pooling)
LATA
228

Numbers in the 215-305 prefix are registered to the Philadelphia Zone 4 rate center in PA, inside area code 215. The prefix is the second block of a ten-digit US number (215-305-XXXX) and pins the number to a billing locality.

The assigned code holder is MCIMETRO ACCESS TRANSMISSION SERVICES LLC, operating company number 7229. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.

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.

Spoofing means this prefix on your screen doesn't guarantee a Philadelphia Zone 4 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 215-305
PrefixRate centerCode holder
215-302 Philadelphia Suburban Zone 44 PAETEC ITEL, LLC
215-303 Philadelphia Zone 2 METROPCS, INC.
215-304 Doylestown VERIZON PENNSYLVANIA, INC.
215-306 Philadelphia Zone 1 SPOK, INC.
215-307 Philadelphia Zone 2 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP
215-308 Philadelphia Zone 1 SPOK, INC.

FAQ

Where is 215-305 located?

The prefix is assigned to the Philadelphia Zone 4 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 215-305 numbers?

MCIMETRO ACCESS TRANSMISSION SERVICES LLC 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 215-305 safe to answer?

The prefix itself says nothing about the caller. Legitimate Philadelphia Zone 4 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.