Cities in area code 227
Which places use area code 227? 37 rate centers in Maryland, the biggest being Washington Zone 10, Washington Zone 02, Myersville. Data below is NANPA's official prefix-to-rate-center mapping.
Washington Zone 10, Washington Zone 02, Myersville, Laurel 236, Frederick, Ashton 236, Gaithersburg and Washington Zone 04 hold the largest prefix inventories; and 28 smaller communities down to single-prefix localities. Each locality below links to its rate-center page with the full prefix list.
24 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.
37 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.
All of the code's territory keeps Eastern time.
Remember that people keep numbers when they relocate, so a 227 number is a where-it-was-issued fact, not a where-they-are fact.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Washington Zone 10 | 20 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington Zone 02 | 11 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Myersville | 11 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Laurel 236 | 8 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Frederick | 7 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Ashton 236 | 7 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Gaithersburg | 6 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington Zone 04 | 5 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington Zone 05 | 5 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Waldorf | 5 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington 236 Zone 14 | 3 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Hagerstown | 3 | — | 227, 240, 301 |
| Washington Zone 16 | 2 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington Zone 06 | 2 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington Zone 11 | 2 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington 238 Zone 15 | 2 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington Zone 03 | 2 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Bittinger | 1 | — | 227, 240, 301 |
| Flintstone | 1 | — | 227, 240, 301 |
| Grantsville | 1 | — | 227, 240, 301 |
| McCoole | 1 | — | 227, 240, 301 |
| Westernport | 1 | — | 227, 240, 301 |
| Smithsburg | 1 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Leonardtown | 1 | — | 227, 240, 301 |
| Hughesville | 1 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Middletown | 1 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Ridge | 1 | — | 227, 240, 301 |
| Thurmont | 1 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Mount Airy | 1 | Baltimore-Columbia-Towson, MD | 227, 240, 301 |
| Oakland | 1 | — | 227, 240, 301 |
| Friendsville | 1 | — | 227, 240, 301 |
| Cumberland | 1 | — | 227, 240, 301 |
| Washington 236 Zone 13 | 1 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Washington Zone 12 | 1 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
| Keedysville | 1 | — | 227, 240, 301 |
| Mechanicsville | 1 | — | 227, 240, 301 |
| Ashton 238 | 1 | Washington-Arlington-Alexandria, DC-VA-MD-WV | 227, 240, 301 |
FAQ
What is the biggest city in area code 227?
Washington Zone 10 holds the most active prefixes (20), making it the code's largest numbering locality.
How many places does 227 cover?
37 rate centers in Maryland hold active 227 prefixes, from Washington Zone 10 down to communities with a single prefix.
Does a 227 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.