Prefix 215-301 — Philadelphia Zone 1, PA

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

Area code
215
Prefix (NXX)
301
Rate center
Philadelphia Zone 1
State
Pennsylvania
Time zone
Eastern
Code holder
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Pooled
Yes (thousands-block pooling)
Assigned
2004-10-20
LATA
228

Numbers in the 215-301 prefix are registered to the Philadelphia Zone 1 rate center in PA, inside area code 215. The prefix is the second block of a ten-digit US number (215-301-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list NEW CINGULAR WIRELESS PCS, LLC - DC (OCN 4036) as the code holder, assigned October 20, 2004. Because 215-301 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

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 1 caller. Verify independently before trusting a request for money or data.

Neighboring prefixes

Prefixes adjacent to 215-301
PrefixRate centerCode holder
215-298 Philadelphia Zone 3 MCIMETRO ACCESS TRANSMISSION SERVICES LLC
215-299 Philadelphia Zone 1 VERIZON PENNSYLVANIA, INC.
215-300 Philadelphia Zone 1 NEW CINGULAR WIRELESS PCS, LLC - DC
215-302 Philadelphia Suburban Zone 44 PAETEC ITEL, LLC
215-303 Philadelphia Zone 2 METROPCS, INC.
215-304 Doylestown VERIZON PENNSYLVANIA, INC.

FAQ

Where is 215-301 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 215-301 numbers?

NEW CINGULAR WIRELESS PCS, LLC - DC 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 215-301 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.