Prefix 215-866 — Philadelphia Zone 3, PA

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

Area code
215
Prefix (NXX)
866
Rate center
Philadelphia Zone 3
State
Pennsylvania
Time zone
Eastern
Code holder
NETCARRIER TELECOM, INC. - PA
OCN
5494
Pooled
Yes (thousands-block pooling)
Assigned
2001-08-03
LATA
228

215-866 identifies a block of numbers in Philadelphia Zone 3, PA, within the 215 area code. Every US prefix is tied to exactly one rate center; this one is Philadelphia Zone 3.

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 — 215-866 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.

NANPA's central-office code records list NETCARRIER TELECOM, INC. - PA (OCN 5494) as the code holder, assigned August 3, 2001. Because 215-866 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

Neighboring prefixes

Prefixes adjacent to 215-866
PrefixRate centerCode holder
215-863 Philadelphia Zone 2 VERIZON PENNSYLVANIA, INC.
215-864 Philadelphia Zone 1 VERIZON PENNSYLVANIA, INC.
215-865 Philadelphia Zone 1 SPOK, INC.
215-867 Newtown PAETEC ITEL, LLC
215-868 Philadelphia Zone 1 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP
215-869 Philadelphia Zone 1 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP

FAQ

Where is 215-866 located?

The prefix is assigned to the Philadelphia Zone 3 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 215-866 numbers?

NETCARRIER TELECOM, INC. - 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 215-866 safe to answer?

The prefix itself says nothing about the caller. Legitimate Philadelphia Zone 3 businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.