Delaware (statewide)

Area code 302 is Delaware's only area code, covering the whole state. It is an original 1947 code with no split or overlay history.

The essentials Numbering data · NumberResearch · as of 2026-09-18

Place

Type

geographic

Status

in service

In service since

1947

Projected exhaust

2034 Q4

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 302 is

The entire state of Delaware (New Castle, Kent and Sussex counties)..

Communities served wholly or partly by 302:

WilmingtonDoverNewarkMiddletownSmyrna

Delaware shares a LATA with Philadelphia and surrounding Pennsylvania areas.

B · Relationships

How it relates to other codes

The codes 302 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?

What's changing. No overlay. Single statewide code. Exhaustion projected around 2033 (re-check NANPA).

C · History

How 302 got here

1947

Assigned as one of the original North American area codes.

Source: Wikipedia

2021-10

Transitioned to 10-digit dialing due to the 988 designation.

Source: Wikipedia

D · Capacity

How full it is

Prefixes assigned

673

Prefixes available

127

Thousands-blocks assigned

3,726

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

Compare 302 with another code →

Sources

Wikipedia ↗

Area code 302

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.