207 area code — Portland, ME geographic

Data: NANPA public reports, current as of July 28, 2026.

State
Maine
Major area
Portland
Time zone
Eastern
In service since
1947-01-01
Active prefixes
742
Rate centers
249
Carriers
58
Projected exhaust
1Q 2049

207 is the area code for Portland, Maine, in service since January 1, 1947, Eastern time. Keep in mind the code identifies where the number was registered; the person calling may be elsewhere.

The code currently holds 742 working prefixes, held by 58 different carriers. Of these, 624 are pooled prefixes shared by multiple carriers. Numbers are anchored to 249 rate centers — billing localities that fix where each prefix belongs.

Use this page to decode where 207 numbers come from — and remember that spoofing means the screen can lie about everything except your own caution.

Worth noting: 207 is the only area code serving Maine.

Local calls inside 207 are dialed 7D.

The current NANPA exhaust forecast is 1Q 2049.

Largest localities in 207

Largest rate centers in area code 207
Locality (rate center)Active prefixesAlso served by
Portland 111
Bangor 40
Lewiston 33
Augusta 26
Brunswick 21
Biddeford 20
Waterville 15
Sanford 13
Rockland 11
Scarborough 10

FAQ

Where is a 207 number from?

207 is assigned to Portland and surrounding areas of Maine in the Eastern time zone. The three digits after the area code (the prefix) narrow it down to a rate center.

Is 207 a toll-free number?

No. 207 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.

Will 207 run out of numbers?

NANPA's current forecast projects exhaust in 1Q 2049 — decades of capacity remain.