North American Numbers Source-cited · ownership disclosed
Area code
215
In service
United States · since 1947

Philadelphia

One of the original 86 North American area codes from 1947, 215 now serves Philadelphia and adjacent portions of Bucks and Montgomery counties as part of a three-code overlay with 267 and 445.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Philadelphia
Type
geographic
Status
in service
In service since
1947
Projected exhaust
2050 Q2

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 215 is

Philadelphia and its inner Bucks/Montgomery county suburbs.

Communities served wholly or partly by 215:

PhiladelphiaNorristownDoylestownLevittownAbington

Core is the city of Philadelphia plus nearby Bucks and Montgomery county communities; western/northern PA suburbs were carved off to 610 in 1994.

B · Relationships

How it relates to other codes

The codes 215 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Overlay · 1997 267 Philadelphia (overlay) 267 overlay activated July 1, 1997 on the 215 numbering plan area.
Overlay · 2018 445 Philadelphia (overlay) 445 second overlay activated Feb 3, 2018.
Spawned · 1994 610 Allentown/Reading/Western Suburbs On Jan 8, 1994 western/northern 215 territory (Lehigh Valley, most of Berks) split off to 610.
What's changing. Active three-code overlay (215/267/445); 10-digit dialing mandatory.
C · History

How 215 got here

1947
Established as one of the original North American area codes serving southeastern PA.
Source: Wikipedia 215/267/445
1994-01-08
610 split off, reducing 215 to Philadelphia and inner suburbs.
Source: Wikipedia 215/267/445
1997-07-01
267 overlay added.
Source: Wikipedia 215/267/445
2018-02-03
445 second overlay added.
Source: Wikipedia 215/267/445
D · Capacity

How full it is

Prefixes assigned
800
Prefixes available
0
Thousands-blocks assigned
2,209

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 215 with another code →
Sources
Wikipedia ↗
Area codes 215, 267, and 445
Pennsylvania PUC ↗
Area Codes
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.