NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

Area code 684 prefixes

21 of the 786 possible NXX blocks are assigned in area code 684 (2.7% of capacity), spread across 1 rate centers and 2 holders. The largest holders are AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY (12 blocks, 57.1%), AST TELECOM, LLC (9 blocks, 42.9%). The assignment records here run from 2007-02-16 to 2022-11-29, with 2 blocks handed out in 2022 alone. 0 blocks (0%) are in thousands-block pooling, meaning the block is shared between carriers in 1,000-number lots rather than held whole – which is why a single NXX can serve several carriers at once. 8 were growth assignments – additional blocks to a carrier that had already filled its earlier ones.

21 assigned blocks of 786
1 rate centers
2 holders of record
0% in thousands-block pooling

Largest holders in 684

Holder of record, as NANPA names itBrandBlocksShare
AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY – 12 57.1%
AST TELECOM, LLC – 9 42.9%

Names are printed as they appear in the assignment records, which is the legal entity rather than the brand. Holding a block is not the same as serving the numbers in it: portability moves numbers between carriers and pooling splits a block between several.

Rate centers with their own page

Rate centers where at least three blocks are assigned, excluding the numbered metro zone codes. The remainder are in the full table below.

All 21 assigned blocks

One row per NXX. “Pooled” means carriers draw 1,000-number lots from the block rather than holding all 10,000, so a pooled prefix can belong to several carriers at once. “Not in service” means assigned but not yet open for calls – a caller ID from one of those is necessarily spoofed. The holder column gives the brand where the legal entity maps to one; the full legal names are in the holders table above, exactly as NANPA records them.

PrefixHolder of recordRate centerAssignedPooledIn service
684-248 AST TELECOM, LLC AM SAMOA 2011-06-02 – yes
684-252 AST TELECOM, LLC AM SAMOA – – yes
684-254 AST TELECOM, LLC AM SAMOA 2007-02-16 – yes
684-256 AST TELECOM, LLC AM SAMOA 2009-08-06 – yes
684-258 AST TELECOM, LLC AM SAMOA – – yes
684-272 AST TELECOM, LLC AM SAMOA 2015-02-13 – yes
684-274 AST TELECOM, LLC AM SAMOA 2021-09-14 – yes
684-276 AST TELECOM, LLC AM SAMOA 2022-07-14 – yes
684-299 AST TELECOM, LLC AM SAMOA 2022-11-29 – yes
684-622 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-633 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-644 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-655 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-677 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-688 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-691 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-699 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-731 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-733 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-770 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA – – yes
684-782 AMERICAN SAMOA TELECOMMUNICATIONS AUTHORITY AM SAMOA 2018-11-21 – yes

Frequently asked

How many prefixes does area code 684 have?

21 NXX blocks are assigned of 786 possible. Each block is 10,000 consecutive numbers, so the code currently covers about 210 thousand-number ranges across 1 rate centers.

What do the first three digits after 684 tell me?

They identify the block, which tells you the rate center it was allocated to and the carrier that received it. They do not tell you who serves the number today: portability moves numbers between carriers, and pooling splits a block between several of them.

Is a 684 prefix tied to a specific town?

To a rate center, which is billing geography rather than a town. NANPA abbreviates rate center names to ten characters and in large metros uses zone codes, so the name is a NANPA label, not a place name.

What does “pooled” mean in the 684 table?

That the block is in thousands-block pooling: carriers draw 1,000-number lots from it instead of taking all 10,000. 0 of 684's blocks are pooled, which is how regulators slowed down area code exhaustion – and why one prefix can belong to several carriers.

Source and limits

NANPA CO Code Assignment Records, all states, utilized codes, file updated 11/01/2026 – the rows where the record's Use field is “AS” (assigned). Unavailable codes are excluded. The records say who received a block and when, not who serves a particular number today.

More about this code: overview · carriers · local time